The Home of the Last Tsar - Romanov and Russian History

These amazing drawings prove that the mosaics of Hagia Sophia were uncovered for almost 300 years after the conquest. Millions of Muslim worshippers prayed under Christ, the Virgin and the Seraphim.

Here's a page dedicated to this famous mosaic in the apse sem-dome of the great cathedral church of old Byzantium.  It dates from the original redecoration of the church after iconoclasm ended.