{"id":421,"date":"2013-08-07T13:33:45","date_gmt":"2013-08-07T10:33:45","guid":{"rendered":"http:\/\/math.ubbcluj.ro\/~agratini\/?page_id=421"},"modified":"2026-08-29T14:38:13","modified_gmt":"2026-08-29T11:38:13","slug":"hobby-3","status":"publish","type":"page","link":"https:\/\/math.ubbcluj.ro\/~agratini\/hobbies\/hobby-3\/","title":{"rendered":"Hobby &#8211; Nature"},"content":{"rendered":"<div class=\"dflexaudio\"><audio controls><source src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/music\/Kiss the Rain.mp3\" type=\"audio\/mp3\"><\/audio><\/div>\n<div class=\"rgg-container\" data-rgg-id=\"1\" data-wp-interactive=\"core\/gallery\" data-wp-context='{\"galleryId\":\"6ae28a358fcdb\"}'>    <div class=\"rgg-imagegrid captions-title captions-effect-none special-image\" data-rgg-id=\"1\">\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a358febc1.73053394\"}' data-wp-key=\"rgg-lb-6ae28a358febc1.73053394\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-1024x683.png 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU6.png 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35901459.15214070\"}' data-wp-key=\"rgg-lb-6ae28a35901459.15214070\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-54-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35903a75.44015366\"}' data-wp-key=\"rgg-lb-6ae28a35903a75.44015366\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35905a70.80754084\"}' data-wp-key=\"rgg-lb-6ae28a35905a70.80754084\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" 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srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-5.jpg 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" 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sizes=\"(max-width: 225px) 100vw, 225px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3590df83.47288404\"}' data-wp-key=\"rgg-lb-6ae28a3590df83.47288404\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-36-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-36-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-36-768x512.jpg 768w, 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data-wp-key=\"rgg-lb-6ae28a3590fb97.81003477\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-59-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35911776.92983622\"}' data-wp-key=\"rgg-lb-6ae28a35911776.92983622\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35913112.72385680\"}' data-wp-key=\"rgg-lb-6ae28a35913112.72385680\" data-wp-init=\"callbacks.initTriggerButton\" 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300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35914ae7.91446277\"}' data-wp-key=\"rgg-lb-6ae28a35914ae7.91446277\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-50-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359165b0.70722529\"}' data-wp-key=\"rgg-lb-6ae28a359165b0.70722529\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-2-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359181b0.09305880\"}' data-wp-key=\"rgg-lb-6ae28a359181b0.09305880\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-45-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35919c74.00611205\"}' data-wp-key=\"rgg-lb-6ae28a35919c74.00611205\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-8.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3591b5e5.47741706\"}' data-wp-key=\"rgg-lb-6ae28a3591b5e5.47741706\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-27-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3591d1b6.81501340\"}' data-wp-key=\"rgg-lb-6ae28a3591d1b6.81501340\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-55-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3591eda8.83834322\"}' data-wp-key=\"rgg-lb-6ae28a3591eda8.83834322\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35920b96.38038341\"}' data-wp-key=\"rgg-lb-6ae28a35920b96.38038341\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359225f4.29004280\"}' data-wp-key=\"rgg-lb-6ae28a359225f4.29004280\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-51-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35924261.43582314\"}' data-wp-key=\"rgg-lb-6ae28a35924261.43582314\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-28-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35925d09.36944847\"}' data-wp-key=\"rgg-lb-6ae28a35925d09.36944847\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359279e0.72669035\"}' data-wp-key=\"rgg-lb-6ae28a359279e0.72669035\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-44-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35929496.65694142\"}' data-wp-key=\"rgg-lb-6ae28a35929496.65694142\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-11.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3592ae07.66061231\"}' data-wp-key=\"rgg-lb-6ae28a3592ae07.66061231\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N2.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3592c7a5.67096505\"}' data-wp-key=\"rgg-lb-6ae28a3592c7a5.67096505\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-37-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3592db94.07449022\"}' data-wp-key=\"rgg-lb-6ae28a3592db94.07449022\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11-900x1349.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_11.jpg 1334w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3592eea4.05618928\"}' data-wp-key=\"rgg-lb-6ae28a3592eea4.05618928\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.75\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-225x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-225x300.jpg 225w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-768x1024.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-100x133.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-150x200.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-200x267.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-300x400.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-450x600.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-600x800.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4-900x1200.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-4.jpg 960w\" sizes=\"(max-width: 225px) 100vw, 225px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35930186.73468171\"}' data-wp-key=\"rgg-lb-6ae28a35930186.73468171\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.3274336283186\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-300x226.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-300x226.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-768x578.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-100x75.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-150x113.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-200x151.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-450x339.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-600x452.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39-900x678.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-39.jpg 1020w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35931484.16114285\"}' data-wp-key=\"rgg-lb-6ae28a35931484.16114285\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-768x1152.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-11-900x1350.jpg 900w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35932835.75793647\"}' data-wp-key=\"rgg-lb-6ae28a35932835.75793647\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature3-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35933bb9.50508477\"}' data-wp-key=\"rgg-lb-6ae28a35933bb9.50508477\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-1.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35934e29.14425190\"}' data-wp-key=\"rgg-lb-6ae28a35934e29.14425190\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-5.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35936163.94533953\"}' data-wp-key=\"rgg-lb-6ae28a35936163.94533953\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature2-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359374c0.81976247\"}' data-wp-key=\"rgg-lb-6ae28a359374c0.81976247\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-3.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35938769.09217040\"}' data-wp-key=\"rgg-lb-6ae28a35938769.09217040\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-34-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35939ae3.44438729\"}' data-wp-key=\"rgg-lb-6ae28a35939ae3.44438729\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-768x1152.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-12-900x1350.jpg 900w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3593aec0.34739611\"}' data-wp-key=\"rgg-lb-6ae28a3593aec0.34739611\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-768x1151.png 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-683x1024.png 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-450x674.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-600x899.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10-900x1349.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-10.png 2002w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3593c1c9.21141324\"}' data-wp-key=\"rgg-lb-6ae28a3593c1c9.21141324\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3593d436.90386258\"}' data-wp-key=\"rgg-lb-6ae28a3593d436.90386258\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_1@0.25x.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3593e6b2.81842904\"}' data-wp-key=\"rgg-lb-6ae28a3593e6b2.81842904\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-8-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3593fac4.97992771\"}' data-wp-key=\"rgg-lb-6ae28a3593fac4.97992771\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/NATURE-2-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35940e15.02542560\"}' data-wp-key=\"rgg-lb-6ae28a35940e15.02542560\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359423d9.01389051\"}' data-wp-key=\"rgg-lb-6ae28a359423d9.01389051\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35944431.91269881\"}' data-wp-key=\"rgg-lb-6ae28a35944431.91269881\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.75\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-225x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-225x300.jpg 225w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-768x1024.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-100x133.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-150x200.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-200x267.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-300x400.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-450x600.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-600x800.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3-900x1200.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-3.jpg 960w\" sizes=\"(max-width: 225px) 100vw, 225px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35945e32.86996764\"}' data-wp-key=\"rgg-lb-6ae28a35945e32.86996764\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-2-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359471d6.01660847\"}' data-wp-key=\"rgg-lb-6ae28a359471d6.01660847\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-1024x683.png 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU3.png 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35948585.88493172\"}' data-wp-key=\"rgg-lb-6ae28a35948585.88493172\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-768x1152.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793-900x1350.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-29-e1480441869793.jpg 1000w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359499f4.88811035\"}' data-wp-key=\"rgg-lb-6ae28a359499f4.88811035\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-35-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3594ae47.01816818\"}' data-wp-key=\"rgg-lb-6ae28a3594ae47.01816818\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3594c138.33969292\"}' data-wp-key=\"rgg-lb-6ae28a3594c138.33969292\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>       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https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-9-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-9-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-9-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-9.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3594ea11.72960743\"}' data-wp-key=\"rgg-lb-6ae28a3594ea11.72960743\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-31.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3594fc49.98517745\"}' data-wp-key=\"rgg-lb-6ae28a3594fc49.98517745\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-30-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35950fd7.21925553\"}' data-wp-key=\"rgg-lb-6ae28a35950fd7.21925553\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-768x1152.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353-900x1350.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-20-e1480441971353.jpg 1000w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359523d5.95002069\"}' data-wp-key=\"rgg-lb-6ae28a359523d5.95002069\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-5-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359537d0.26997869\"}' data-wp-key=\"rgg-lb-6ae28a359537d0.26997869\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.75333333333333\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-226x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-226x300.jpg 226w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-100x133.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-150x199.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-200x266.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-300x398.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-450x598.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-41-600x797.jpg 600w\" sizes=\"(max-width: 226px) 100vw, 226px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35954da2.10662148\"}' data-wp-key=\"rgg-lb-6ae28a35954da2.10662148\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-7.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35956164.44732095\"}' data-wp-key=\"rgg-lb-6ae28a35956164.44732095\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-52-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35957625.62506903\"}' data-wp-key=\"rgg-lb-6ae28a35957625.62506903\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-25-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35958952.56281477\"}' data-wp-key=\"rgg-lb-6ae28a35958952.56281477\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-2-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35959c46.03333942\"}' data-wp-key=\"rgg-lb-6ae28a35959c46.03333942\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3595af29.43972287\"}' data-wp-key=\"rgg-lb-6ae28a3595af29.43972287\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3595c1d1.77931216\"}' data-wp-key=\"rgg-lb-6ae28a3595c1d1.77931216\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-30.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3595d400.01433678\"}' data-wp-key=\"rgg-lb-6ae28a3595d400.01433678\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-4-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3595e875.80782935\"}' data-wp-key=\"rgg-lb-6ae28a3595e875.80782935\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-2-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3595fc59.18806978\"}' data-wp-key=\"rgg-lb-6ae28a3595fc59.18806978\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/THAI-32.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35960e55.28004293\"}' data-wp-key=\"rgg-lb-6ae28a35960e55.28004293\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-22.jpg 640w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35962042.60686985\"}' data-wp-key=\"rgg-lb-6ae28a35962042.60686985\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-26-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359633a6.19317481\"}' data-wp-key=\"rgg-lb-6ae28a359633a6.19317481\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.3333333333333\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-300x225.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-300x225.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-1024x768.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-100x75.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-150x113.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-200x150.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-450x338.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-600x450.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-4-900x675.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35964673.58195284\"}' data-wp-key=\"rgg-lb-6ae28a35964673.58195284\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35965982.16458328\"}' data-wp-key=\"rgg-lb-6ae28a35965982.16458328\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35966e05.11250514\"}' data-wp-key=\"rgg-lb-6ae28a35966e05.11250514\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-10.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35968106.77801091\"}' data-wp-key=\"rgg-lb-6ae28a35968106.77801091\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-768x1152.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-21-900x1350.jpg 900w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35969466.21354877\"}' data-wp-key=\"rgg-lb-6ae28a35969466.21354877\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-14-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3596a783.83455752\"}' data-wp-key=\"rgg-lb-6ae28a3596a783.83455752\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-57-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3596be99.83118552\"}' data-wp-key=\"rgg-lb-6ae28a3596be99.83118552\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-768x1151.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-683x1024.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-450x674.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-600x899.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42-900x1349.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-42.jpg 1500w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>   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https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_5@0.25x-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_5@0.25x-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_5@0.25x-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_5@0.25x-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_5@0.25x.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3596e4f9.18962028\"}' data-wp-key=\"rgg-lb-6ae28a3596e4f9.18962028\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-6-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3596fbb8.29895091\"}' data-wp-key=\"rgg-lb-6ae28a3596fbb8.29895091\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-43-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35970f11.43004092\"}' data-wp-key=\"rgg-lb-6ae28a35970f11.43004092\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-24-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35972223.48522928\"}' data-wp-key=\"rgg-lb-6ae28a35972223.48522928\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-56-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35973611.81925795\"}' data-wp-key=\"rgg-lb-6ae28a35973611.81925795\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-7-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35974ab4.97486893\"}' data-wp-key=\"rgg-lb-6ae28a35974ab4.97486893\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-3-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35975d12.58233176\"}' data-wp-key=\"rgg-lb-6ae28a35975d12.58233176\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-3-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35977109.19238550\"}' data-wp-key=\"rgg-lb-6ae28a35977109.19238550\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-6.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>     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https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-3-300x400.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-3-450x600.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-3-600x800.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-3-900x1200.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-3.jpg 960w\" sizes=\"(max-width: 225px) 100vw, 225px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359796f2.49435288\"}' data-wp-key=\"rgg-lb-6ae28a359796f2.49435288\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-53-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3597aa98.64249062\"}' data-wp-key=\"rgg-lb-6ae28a3597aa98.64249062\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3597bda9.14014705\"}' data-wp-key=\"rgg-lb-6ae28a3597bda9.14014705\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-13-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3597d122.80592997\"}' data-wp-key=\"rgg-lb-6ae28a3597d122.80592997\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-MRU1.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3597e3c4.30540390\"}' data-wp-key=\"rgg-lb-6ae28a3597e3c4.30540390\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-15-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3597f6f3.87990962\"}' data-wp-key=\"rgg-lb-6ae28a3597f6f3.87990962\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-4.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359809c1.70232042\"}' data-wp-key=\"rgg-lb-6ae28a359809c1.70232042\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35981bd0.99289025\"}' data-wp-key=\"rgg-lb-6ae28a35981bd0.99289025\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-4.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35982ee9.32660138\"}' data-wp-key=\"rgg-lb-6ae28a35982ee9.32660138\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-9-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359843e5.75216353\"}' data-wp-key=\"rgg-lb-6ae28a359843e5.75216353\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>     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https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35986822.94956579\"}' data-wp-key=\"rgg-lb-6ae28a35986822.94956579\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35987a71.67869529\"}' data-wp-key=\"rgg-lb-6ae28a35987a71.67869529\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-4.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35988cf5.44678570\"}' data-wp-key=\"rgg-lb-6ae28a35988cf5.44678570\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38.jpg 683w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-38-600x900.jpg 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3598a061.99941507\"}' data-wp-key=\"rgg-lb-6ae28a3598a061.99941507\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-49.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3598b499.65226029\"}' data-wp-key=\"rgg-lb-6ae28a3598b499.65226029\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-16-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3598c861.03431902\"}' data-wp-key=\"rgg-lb-6ae28a3598c861.03431902\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_2@0.25x.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3598dba2.45667049\"}' data-wp-key=\"rgg-lb-6ae28a3598dba2.45667049\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-19-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3598ef97.03846746\"}' data-wp-key=\"rgg-lb-6ae28a3598ef97.03846746\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-23-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35990385.46343527\"}' data-wp-key=\"rgg-lb-6ae28a35990385.46343527\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/2017-nature-2-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359915c7.23664574\"}' data-wp-key=\"rgg-lb-6ae28a359915c7.23664574\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-31-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35992bc5.88193576\"}' data-wp-key=\"rgg-lb-6ae28a35992bc5.88193576\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-40-900x601.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35993fd1.67832522\"}' data-wp-key=\"rgg-lb-6ae28a35993fd1.67832522\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_8-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359952a5.78261614\"}' data-wp-key=\"rgg-lb-6ae28a359952a5.78261614\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-5.jpg 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35996516.09731464\"}' data-wp-key=\"rgg-lb-6ae28a35996516.09731464\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature_3@0.25x.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359978d9.75441303\"}' data-wp-key=\"rgg-lb-6ae28a359978d9.75441303\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-17-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35998c48.66169299\"}' data-wp-key=\"rgg-lb-6ae28a35998c48.66169299\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_2.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a35999ed8.32438491\"}' data-wp-key=\"rgg-lb-6ae28a35999ed8.32438491\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-3.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3599b1d8.55743861\"}' data-wp-key=\"rgg-lb-6ae28a3599b1d8.55743861\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/N1.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3599c419.35974719\"}' data-wp-key=\"rgg-lb-6ae28a3599c419.35974719\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-18-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3599d798.42981629\"}' data-wp-key=\"rgg-lb-6ae28a3599d798.42981629\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3599ead1.65504857\"}' data-wp-key=\"rgg-lb-6ae28a3599ead1.65504857\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-32-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a3599ff34.35828827\"}' data-wp-key=\"rgg-lb-6ae28a3599ff34.35828827\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a1208.20424221\"}' data-wp-key=\"rgg-lb-6ae28a359a1208.20424221\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_3-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a2587.20135820\"}' data-wp-key=\"rgg-lb-6ae28a359a2587.20135820\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_5-2.jpg 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a3a80.07459036\"}' data-wp-key=\"rgg-lb-6ae28a359a3a80.07459036\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_6.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a4dc8.18733228\"}' data-wp-key=\"rgg-lb-6ae28a359a4dc8.18733228\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.3333333333333\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-300x225.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-300x225.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-1024x768.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-100x75.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-150x113.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-200x150.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-450x338.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-600x450.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2-900x675.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-2.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a60a2.35026766\"}' data-wp-key=\"rgg-lb-6ae28a359a60a2.35026766\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-1024x682.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5-900x600.jpg 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-5.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a73a5.01785918\"}' data-wp-key=\"rgg-lb-6ae28a359a73a5.01785918\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a8671.96163203\"}' data-wp-key=\"rgg-lb-6ae28a359a8671.96163203\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-THAI-55.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359a9929.22103373\"}' data-wp-key=\"rgg-lb-6ae28a359a9929.22103373\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-58-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359aada2.77438427\"}' data-wp-key=\"rgg-lb-6ae28a359aada2.77438427\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-1024x683.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_4-1-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359ac076.21320396\"}' data-wp-key=\"rgg-lb-6ae28a359ac076.21320396\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-450x676.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1-600x901.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-1.png 666w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359ad2a5.76235844\"}' data-wp-key=\"rgg-lb-6ae28a359ad2a5.76235844\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-300x200.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-300x200.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-768x512.jpg 768w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33.jpg 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-100x67.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-150x100.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-200x133.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-450x300.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-600x400.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-33-900x600.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359ae866.57031706\"}' data-wp-key=\"rgg-lb-6ae28a359ae866.57031706\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-200x300.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-200x300.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-100x150.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-150x225.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-300x450.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-450x675.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7-600x900.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature_7.png 667w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359afa83.05359333\"}' data-wp-key=\"rgg-lb-6ae28a359afa83.05359333\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"1.5\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-300x200.png\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-300x200.png 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-1024x683.png 1024w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-100x67.png 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-150x100.png 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-200x133.png 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-450x300.png 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-600x400.png 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8-900x600.png 900w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/nature-RU8.png 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359b0d72.16823380\"}' data-wp-key=\"rgg-lb-6ae28a359b0d72.16823380\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img wp-lightbox-container\" data-ratio=\"0.66666666666667\">\n                <img decoding=\"async\" class=\"rgg-tile-img\" src=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-200x300.jpg\" srcset=\"https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-200x300.jpg 200w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-682x1024.jpg 682w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-100x150.jpg 100w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-150x225.jpg 150w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-300x450.jpg 300w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-450x675.jpg 450w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4-600x900.jpg 600w, https:\/\/math.ubbcluj.ro\/~agratini\/wp-content\/uploads\/Nature-4.jpg 853w\" sizes=\"(max-width: 200px) 100vw, 200px\" alt=\"\" loading=\"eager\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" \/>            <\/a>\n                    <a  title=\"\" data-caption=\"\" data-wp-interactive=\"core\/image\" data-wp-context='{\"imageId\":\"rgg-lb-6ae28a359b2017.77246741\"}' data-wp-key=\"rgg-lb-6ae28a359b2017.77246741\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" class=\" size-medium rgg-img 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