Peter's Square

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Pope Benedict XVI blesses the faithful as he arrives in St. Peter's Square at the Vatican on Wednesday, Oct. 24, 2012, for his weekly general audience. (AP Photo/Andrew Medichini)

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Pope Benedict XVI waves as he arrives for his weekly audience in St. Peter's Square at the Vatican on Wednesday, May 30, 2012. (AP Photo/Riccardo De Luca)

** FILE ** Pope Benedict XVI, accompanied by his private secretary, Monsignor Georg Gaenswein (top left), and his butler, Paolo Gabriele, arrives in St. Peter's Square at the Vatican for a general audience on Wednesday, May 23, 2012. (AP Photo/Andrew Medichini)

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Pope Benedict XVI greets the faithful after his "Urbi and Orbi" ("to the city and to the world") blessing following Easter Mass in St. Peter's Square at the the Vatican on Sunday, April 8, 2012. (AP Photo/Pier Paolo Cito)

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Pope Benedict XVI greets the faithful after his "Urbi and Orbi" ("to the city and the world") blessing following the Easter Mass in St. Peter's Square at the Vatican on Sunday, April 8, 2012. (AP Photo/Osservatore Romano)

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Thousands of the faithful gather in St. Peter's Square at the Vatican for the Easter Mass celebrated by Pope Benedict XVI on Sunday, April 8, 2012. (AP Photo/Pier Paolo Cito)

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Pope Benedict XVI (foreground) is photographed by the faithful as he tours St. Peter's Square during his weekly general audience at the Vatican on Wednesday, April 4, 2012. (AP Photo/Gregorio Borgia)

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Pope Benedict XVI arrives for Palm Sunday Mass in St. Peter's Square at the Vatican on Sunday, April 1, 2012. (AP Photo/Gregorio Borgia)

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ASSOCIATED PRESS PHOTOGRAPHS Cardinals kiss the casket of Pope John Paul II at the end of a solemn celebration Sunday in St. Peter's Square. The beatification of the late pontiff by Pope Benedict XVI is the fastest in modern times.

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** FILE ** The faithful crowd St. Peter's Square at the Vatican during an Easter Mass celebrated by Pope Benedict XVI on Sunday, April 24, 2011. (AP Photo/Gregorio Borgia)

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Pope Benedict XVI carries a palm branch as he arrives to celebrate Palm Sunday Mass in St. Peter's Square at the Vatican on Sunday, April 17, 2011. (AP Photo/Andrew Medichini)