Part of the original giant goniometer, vertical circle to mark sun's position so calculate days of the year: Ulugh Beg's Obervatory, Samarkand, Uzbeki
Part of the original giant goniometer, vertical circle to mark sun's position so calculate days of the year: Ulugh Beg's Obervatory, Samarkand, Uzbekistan
Size: 5184px × 3456px
Photo credit: © Martin Lindsay / Alamy / Afripics
License: Licensed
Model Released: No
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