Pope Francis in Turkey

Pope Francis speaks during a meeting with Mehmet Gormez, head of Turkey's Religious Affairs Directorate, (not pictured), in Ankara, Nov. 28, 2014.

Pope Francis shakes hands with Mehmet Gormez, head of Turkey's Religious Affairs Directorate, in Ankara, Nov. 28, 2014.

Pope Francis and Turkey's President Recep Tayyip Erdogan walk in front of honor guard at the presidential palace in Ankara, Nov. 28, 2014.

Pope Francis waves to journalists during a press conference aboard the flight towards Ankara, Friday, Nov. 28, 2014.

Pope Francis arrives in Ankara Nov. 28, 2014.

Pope Francis walks past the honor guard as he arrives at the Esenboga airport in Ankara, Friday, Nov. 28, 2014.

The St. Antuan Catholic church is decorated with Turkish and Vatican flags before the visit of Pope Francis in central Istanbul, Nov. 28, 2014.

A woman prays near a poster with the pictures of Pope Francis, left, and Ecumenical Orthodox Patriarch Bartholomew I at St. Antuan Catholic church in central Istanbul, Nov. 28, 2014.