In this March 29, 2015 pool photo, Pope Francis celebrates a Palm Sunday Mass in St. Peter's Square, at the Vatican. Pope Francis has walked solemnly through St. Peter's Square in a Palm Sunday procession to usher in Holy Week ahead of Easter. Francis clutched a palm frond for the religious service, celebrated outside St. Peter's Basilica. (AP Photo/L'Osservatore Romano, Pool)
Featured Photo Galleries
