Could the black flag over the dome refer to the Hagia Sophia becoming a mosque this year?
Updated 1:52 PM ET, Sun July 26, 2020
Istanbul, Turkey (CNN)Istanbul's historic Hagia Sophia has reopened for Friday prayers for the first time since a decision was made to turn it back into a mosque after more than 80 years as a museum.
https://www.cnn.com/2020/07/24/europe/hagia-sophia-mosque-friday-prayers-turkey-intl/index.html