Hagia Sophia / dawn da Images George Rex

First rays of morning sun on Hagia Sophia, designed in the Byzantine style by Isidore of Miletus and Anthemius of Tralles for Emperor Justinian I, completed AD537. Originally a Greek Christian basilica, then much later additions of an Islamic mosque, including minarets to the exterior. The building is currently a museum. Istanbul, Turkey. (<a href="https://creativecommons.org/licenses/by-nc-sa/2.0" rel="nofollow">CC BY-NC-SA 2.0</a> - credit: <i>Images George Rex</i>.)