Palestinian President Mahmoud Abbas (front) reviews the Bedouin honour guards upon his arrival to Jordan's Royal Palace in Amman, Jordan, March 31, 2013. Palestinian President Mahmoud Abbas on Sunday agreed to exert joint efforts to protect sacred sites in Jerusalem. (Xinhua/Mohammad Abu Ghosh)

Jordan's King Abdullah II (R) talks with Palestinian President Mahmoud Abbas at the Royal Palace in Amman, Jordan, March 31, 2013. King Abdullah II of Jordan and Palestinian President Mahmoud Abbas on Sunday agreed to exert joint efforts to protect sacred sites in Jerusalem. (Xinhua/Mohammad Abu Ghosh)