Photo by: Maya Alleruzzo Iraqi workers mop the floor at the Assyrian Hall of the Iraq National Museum Baghdad, Sunday, March 13, 2016. Assyria was a civilization located near the modern-day city of Mosul, now held by the Islamic State group, who published videos online showing the destruction of key Assyrian sites Nimrud and Hatra along with many other religious and cultural sites.(AP Photo/Maya Alleruzzo)