Pope Francis, center, flanked by Ecumenical Patriarch Bartholomew I, spiritual leader of the world's Orthodox Christians, left, and Archbishop of Athens and All Greece Ieronymos II, head of the Church of Greece, toss floral wreaths into the sea, on the Greek island of Lesbos, Saturday April 16, 2016. The heads of the Catholic and Orthodox churches have conducted a prayer ceremony for refugees at the port of Mytilene, the capital of the Greek island of Lesbos where hundreds of thousands of have passed through on perilous journeys from the Turkish coast toward Europe. (AP Photo/Petros Giannakouris), APTOPIX