Vatican City, Vatican ? April 20, 2014: Pope Francis celebrates the Holy Mass of Easter Day in St. Peter's Square at the Vatican on April 20, 2014. Pope Francis held a Holy Mass in St. Peter's Square in Vatican City to celebrate the Easter Day, the most joyous day of the Christian year, that commemorates Jesus Christ's resurrection. (Photo by Giuseppe Ciccia / Pacific Press)/PACIFICPRESS_1755.14