Pope Francis, surrounded by shells of destroyed churches, listens to Archbishop of Mosul Najib Mikhael Moussa during a gathering to pray for the victims of war at Hosh al-Bieaa Church Square, in Mosul.

Pope Francis, surrounded by shells of destroyed churches, listens to Mosul and Aqra Archbishop Najib Mikhael Moussa during a gathering to pray for the victims of war at Hosh al-Bieaa Church Square, in Mosul, Iraq, once the de-facto capital of IS, Sunday, March 7, 2021. The long 2014-2017 war to drive IS out left ransacked homes and charred or pulverized buildings around the north of Iraq, all sites Francis visited on Sunday. (AP Photo/Andrew Medichini)