The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA based on total h-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.
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![Emad Hamdi](https://cdn.adscientificindex.com/pictures/62/96979.jpg)
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![Egypt](/flags/eg.png)
![Dalia Abdel Moneim Mahmoud](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Ahmed A Abdelrahman](https://cdn.adscientificindex.com/pictures/35/4332853.jpg)
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![Egypt](/flags/eg.png)
![Walaa Sabry](/user/assets/images/profile/no-profile-photo.png)
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![Ziad Zaidan](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Ahmed Saeed Mostafa](https://cdn.adscientificindex.com/pictures/a7/4894546.jpg)
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![Kuwait](/flags/kw.png)
![Sulaiman Alkhadhari](https://cdn.adscientificindex.com/pictures/f1/4537480.jpg)
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![Lebanon](/flags/lb.png)
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![United Arab Emirates](/flags/ae.png)
![Ammar Albanna](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Eman Elsheshtawy](https://cdn.adscientificindex.com/pictures/a1/5005058.jpg)
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![Saudi Arabia](/flags/sa.png)
![Ma Al Sughayir](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Mervat Wagdy Abu Nazel](https://cdn.adscientificindex.com/pictures/3e/93730.jpg)
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![Egypt](/flags/eg.png)
![Reham Amer](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![ahmed Kamal](https://cdn.adscientificindex.com/pictures/11/4554848.jpg)
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![Mai A Eissa](https://cdn.adscientificindex.com/pictures/47/4373361.jpg)
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![Saudi Arabia](/flags/sa.png)
![Sadia Sultan](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Mona Elbilsha](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Mohamed Elwasify](https://cdn.adscientificindex.com/pictures/ea/4649768.jpg)
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![Rania A. Hamed](/user/assets/images/profile/no-profile-photo.png)
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![Qatar](/flags/qa.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Iraq](/flags/iq.png)
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![Mohamed Abdelhay](https://cdn.adscientificindex.com/pictures/e5/4373426.jpg)
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![Saudi Arabia](/flags/sa.png)
![Khaldoun Marwa](https://cdn.adscientificindex.com/pictures/77/4912299.jpg)
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![Nada Ibrahim Hendi](https://cdn.adscientificindex.com/pictures/00/5090330.jpg)
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![Iraq](/flags/iq.png)
![Asmaa Ghanim](/user/assets/images/profile/no-profile-photo.png)
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![Jordan](/flags/jo.png)
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![Lebanon](/flags/lb.png)
![Blessy Mohandass](/pictures/5f/5064302.jpg)
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![Iraq](/flags/iq.png)
![Hafidh .Farhan](/pictures/08/5206620.jpg)
![](https://cdn.adscientificindex.com/logos/166.png)
![Egypt](/flags/eg.png)
![Fatma Mohammed Ibrahim Morsi](/pictures/08/5068124.jpg)
![](https://cdn.adscientificindex.com/logos/10843.jpg)
![Iraq](/flags/iq.png)
![Waleed Azeez Al-Ameedy](/pictures/32/5256056.jpg)
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![](https://cdn.adscientificindex.com/logos/612.jpg)
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![Iraq](/flags/iq.png)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
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![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](https://cdn.adscientificindex.com/logos/411.png)
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![Algeria](/flags/dz.png)
![](https://cdn.adscientificindex.com/logos/24880.jpg)
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![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](https://cdn.adscientificindex.com/logos/411.png)
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![](https://cdn.adscientificindex.com/logos/4924.jpg)
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![Lebanon](/flags/lb.png)
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![](https://cdn.adscientificindex.com/logos/411.png)
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![](https://cdn.adscientificindex.com/logos/7099.jpg)
![](https://cdn.adscientificindex.com/logos/7099.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
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![Oman](/flags/om.png)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](https://cdn.adscientificindex.com/logos/612.jpg)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/12139.png)
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![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10680.png)
![](https://cdn.adscientificindex.com/logos/10680.png)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/12139.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11283.jpg)
![](https://cdn.adscientificindex.com/logos/11283.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/9128.jpg)
![](https://cdn.adscientificindex.com/logos/9128.jpg)
![](/assets/images/world-icon.png)
![Morocco](/flags/ma.png)
![](https://cdn.adscientificindex.com/logos/10638.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1928.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/5819.png)
![](https://cdn.adscientificindex.com/logos/5819.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Morocco](/flags/ma.png)
![](https://cdn.adscientificindex.com/logos/10644.jpg)
![](https://cdn.adscientificindex.com/logos/10644.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/24601.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/26615.png)
![](https://cdn.adscientificindex.com/logos/26615.png)
![](/assets/images/world-icon.png)
![Oman](/flags/om.png)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](https://cdn.adscientificindex.com/logos/8574.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Kuwait](/flags/kw.png)
![](https://cdn.adscientificindex.com/logos/5074.jpg)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/5819.png)
![](https://cdn.adscientificindex.com/logos/5819.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/318.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5759.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/18409.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](/assets/images/world-icon.png)
![Palestine](/flags/ps.png)
![](https://cdn.adscientificindex.com/logos/443.png)
![](https://cdn.adscientificindex.com/logos/443.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5759.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/318.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/11042.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Algeria](/flags/dz.png)
![](https://cdn.adscientificindex.com/logos/10495.png)
![](https://cdn.adscientificindex.com/logos/10495.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10964.jpg)
![](https://cdn.adscientificindex.com/logos/10964.jpg)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10588.png)
![](https://cdn.adscientificindex.com/logos/10588.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/894.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/11414.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/3247.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/18395.png)
![](https://cdn.adscientificindex.com/logos/18395.png)
![](/assets/images/world-icon.png)
![Palestine](/flags/ps.png)
![](https://cdn.adscientificindex.com/logos/271.jpg)
![](https://cdn.adscientificindex.com/logos/271.jpg)
![](/assets/images/world-icon.png)
![United Arab Emirates](/flags/ae.png)
![](https://cdn.adscientificindex.com/logos/7210.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10964.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/256.jpg)
![](https://cdn.adscientificindex.com/logos/256.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10964.jpg)
![](https://cdn.adscientificindex.com/logos/10964.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/18395.png)
![](https://cdn.adscientificindex.com/logos/18395.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/411.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/14937.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/10679.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](https://cdn.adscientificindex.com/logos/11099.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5663.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/6356.png)
![](https://cdn.adscientificindex.com/logos/6356.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/3247.jpg)
![](/assets/images/world-icon.png)
![Saudi Arabia](/flags/sa.png)
![](https://cdn.adscientificindex.com/logos/11425.jpg)
![](https://cdn.adscientificindex.com/logos/11425.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/3247.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Qatar](/flags/qa.png)
![](https://cdn.adscientificindex.com/logos/24481.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/3247.jpg)
![](/assets/images/world-icon.png)
![Jordan](/flags/jo.png)
![](https://cdn.adscientificindex.com/logos/4640.png)
![](/assets/images/world-icon.png)
![Lebanon](/flags/lb.png)
![](https://cdn.adscientificindex.com/logos/24489.jpg)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/5045.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Iraq](/flags/iq.png)
![](https://cdn.adscientificindex.com/logos/10843.jpg)