TOPSHOTS Ecumenical Patriarch Bartholomew I (R) of Constantinople and Pope Francis walk on November 30, 2014 at the Orthodox Patriarchal Church of St. George in Istanbul. Pope Francis on Sunday launched a strong appeal to end the millenium-old schism between the Orthodox and Catholic Churches to bring them back into full communion, saying the conflicts in the world had made unity even more urgent. AFP PHOTO / BULENT KILIC