Pope Francis, left, and Ecumenical Patriarch Bartholomew I bless the faithful gathered in the courtyard of the Patriarchal Church of St. George, in Istanbul, Sunday, Nov. 30, 2014. Pope Francis appealed for unity between the Catholic and Orthodox churches on Sunday as he wrapped up his visit to Turkey with a liturgy alongside the spiritual leader of the world's Orthodox Christians and a meeting with young refugees from Syria and Iraq. (AP Photo/Gregorio Borgia)