Aya Sofya, The Blue Mosque, and how to live underground to avoid barbarians.
The interior of Aya Sofya. The interior of Aya Sofya ("Hagia Sophia") which was a Eastern Orthodox church until converted to a mosque in 1453, and then converted into a museum in 1935 as part of Kamal Ataturks's overall secularization program. You thought balancing and apple was tricky.... Boy balancing bagels near Sultanahmet.