![The panes contain the names of Allah, Muhammad, and the four caliphs, Abu Bakr, Umar, Uthman, Ali, as well as Hasan and Husayn, the grandsons of Muhammad.
[Hagia Sophia - Istanbul - Turkey] hagia-sophia_AJP2028-856531552.jpg](../../galleries/Turkey/Istanbul/HagiaSophia/hagia-sophia_AJP2028-856531552.jpg)
The panes contain the names of Allah, Muhammad, and the four caliphs, Abu Bakr, Umar, Uthman, Ali, as well as Hasan and Husayn, the grandsons of Muhammad.
[Hagia Sophia - Istanbul - Turkey]
The panes contain the names of Allah, Muhammad, and the four caliphs, Abu Bakr, Umar, Uthman, Ali, as well as Hasan and Husayn, the grandsons of Muhammad.
[Hagia Sophia - Istanbul - Turkey]