Jerusalem, Vatican observe Palm Sunday (14 images)

A Catholic priest carries a palm branch before the traditional Palm Sunday procession from the Mt. of Olives to the Old City of Jerusalem, Israel, March 24, 2013. Palm Sunday marks the triumphant entry of Jesus Christ on a donkey to Jerusalem where he was greeted by crowds waving palm branches the week before he was crucified. UPI/Debbie Hill

Pope Francis holds papal mass as part of the Palm Sunday celebration on St Peter's square at the Vatican on March 24, 2013. UPI/Stefano Spaziani

A Palestinian man stands at the entrance to a monastery before the traditional Palm Sunday procession from the Mt. of Olives to the Old City of Jerusalem, Israel, March 24, 2013. Palm Sunday marks the triumphant entry of Jesus Christ on a donkey to Jerusalem where he was greeted by crowds waving palm branches the week before he was crucified. UPI/Debbie Hill

Pope Francis holds papal mass as part of the Palm Sunday celebration on St Peter's square at the Vatican on March 24, 2013. UPI/Stefano Spaziani