Pope Benedict XVI, right, washes the foot of an unidentified priest, during the Holy Thursday rite of the washing of feet, in St. John in Lateran Basilica in Rome, Thursday, April 21, 2011. Pope Benedict XVI washes the feet of a dozen priests in a Holy Thursday ceremony to symbolize humility. Earlier the pontiff celebrated the Holy Thursday Mass that marks the start of the Easter celebrations. (AP Photo/Alessandro Bianchi, Pool)