Turkey's President Recep Tayyip Erdogan, poses for photos, inside the Byzantine-era Hagia Sophia, in the historic Sultanahmet district of Istanbul, Sunday, July 19, 2020, days after he formally declared the landmark monument be turned from a museum into a mosque. Erdogan is scheduled to join hundreds of worshipers Friday, July 24, for the first Muslim prayers at the Hagia Sophia in 86 years. (Turkish Presidency via AP, Pool)