A restorer shows journalists an ancient graffiti recently discovered inside a gallery of Rome's Colosseum, Friday, Jan. 18, 2013. (AP Photo/Gregorio Borgia)
A priest blesses a commemorative plaque bearing the names of the 32 people who died in the Costa Concordia shipwreck after the plaque was unveiled on Tuscany's Isola del Giglio on Sunday, Jan. 13, 2013. Survivors of the shipwreck and relatives of those who died marked the first anniversary of the grounding Sunday. (AP Photo/Gregorio Borgia)
A priest blesses a commemorative plaque bearing the names of the 32 people who died in the Costa Concordia shipwreck after the plaque was unveiled on Tuscany's Isola del Giglio on Sunday, Jan. 13, 2013. Survivors of the shipwreck and relatives of those who died marked the first anniversary of the grounding Sunday. (AP Photo/Gregorio Borgia)
Pope Benedict XVI celebrates Mass in St. Patrick Church in Rome on Sunday, Dec. 16, 2012. (AP Photo/Gregorio Borgia)
Pope Benedict XVI delivers his "Urbi et Orbi" ('To the City and to the World") speech from the central loggia of St. Peter's Basilica at the Vatican on Tuesday, Dec. 25, 2012. (AP Photo/Gregorio Borgia)
Pope Benedict XVI delivers his "Urbi et Orbi" ('To the City and to the World") speech from the central loggia of St. Peter's Basilica at the Vatican on Tuesday, Dec. 25, 2012. (AP Photo/Gregorio Borgia)
Pope Benedict XVI delivers his "Urbi et Orbi" ('To the City and to the World") speech from the central loggia of St. Peter's Basilica at the Vatican on Tuesday, Dec. 25, 2012. (AP Photo/Gregorio Borgia)
Pope Benedict XVI delivers his "Urbi et Orbi" ("To the City and to the World") address from the central loggia of St. Peter's Basilica at the Vatican on Tuesday, Dec. 25, 2012. (AP Photo/Gregorio Borgia)
Pope Benedict XVI delivers his "Urbi et Orbi" ("To the City and to the World") address from the central loggia of St. Peter's Basilica at the Vatican on Tuesday, Dec. 25, 2012. (AP Photo/Gregorio Borgia)
