Pope Francis (C) and Palestinian President Mahmoud Abbas (L) review troops as they arrive at the presidential palace for a welcoming ceremony on May 25, 2014 in the West Bank Biblical town of Bethlehem. Pope Francis arrived in Bethlehem to begin the most sensitive part of his three-day Middle East tour aimed at forging regional peace and easing an age-old rift within Christianity. AFP PHOTO / VINCENZO PINTO