Masses gather for Pope Benedict XVI's farewell

1 of 15: A view of the crowd in St. Peter's Square during Pope Benedict XVI's last general audience in St. Peter's Square, at the Vatican, Wednesday, Feb. 27, 2013. Benedict XVI basked in an emotional sendoff Wednesday at his final general audience in St. Peter's Square, recalling moments of "joy and light" during his papacy but also times of great difficulty. He also thanked his flock for respecting his decision to retire. (AP Photo/ Andrew Medichini)

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