Christian worshippers and tourists celebrate at the Manger Square in front of the Church of the Nativity, in the West Bank town of Bethlehem, Monday, Dec. 24, 2012. Thousands of Christian worshippers and tourists arrived in Bethlehem on Monday to mark Christmas at the site where many believe Jesus Christ was born. (AP Photo/Adel Hana)

Photo by: Adel Hana

Christian worshippers and tourists celebrate at the Manger Square in front of the Church of the Nativity, in the West Bank town of Bethlehem, Monday, Dec. 24, 2012. Thousands of Christian worshippers and tourists arrived in Bethlehem on Monday to mark Christmas at the site where many believe Jesus Christ was born. (AP Photo/Adel Hana)