Pope Francis celebrates Christmas mass in St. Peter's Basilica at the Vatican. Credit Image: Evandro Inetti/ZUMA Wire Pictured: Pope Francis World Rights, No Argentina Rights, No Belgium Rights, No China Rights, No Czechia Rights, No Finland Rights, No Hungary Rights, No Japan Rights, No Mexico Rights, No Netherlands Rights, No Norway Rights, No Peru Rights, No Portugal Rights, No Slovenia Rights, No Sweden Rights, No Switzerland Rights, No Taiwan Rights, No United Kingdom Rights