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Pope Benedict XVI held his last general audience in St. Peter's Square.

Oded Balilty / AP

The faithful gathered to hear the pope.

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An image of Pope Benedict hung from St. Anthony of Padua Church reading "Thank you holy father."

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Posters of Pope Benedict hung in Vatican City.

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Former Archbishop of Boston cardinal Bernard Law attended the pope's general audience.

Gregorio Borgia

Cardinal Roger Mahoney stood next to a row of chairs in St. Peter's Square.

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A Swiss Guard stood in St Peter's Square ahead of Pope Benedict XVI's final general audience.

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Cardinal Bernard Law attended the audience.

CLAUDIO PERI

Benedict left St. Peter's Square after the general audience.

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Benedict waved as he arrived at St. Peter's Square.

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Nuns held prayer cards with Benedict's image.

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The faithful held a placard with a drawing of Benedict.

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An attendee brought binoculars for a better view.

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Nuns waved Indian and Argentine flags in St. Peter's Square.

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The pope arrived with his personal secretary, Archbishop Georg Gaenswein.

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Attendees waved flags at St. Peter's Square.

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Crowds flocked to St. Peter's Square.

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Benedict kissed a child.

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A sign reading "thank you" in Italian was held at the square.

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The pope wore the Ring of the Fisherman.

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Pope Benedict XVI waved to the faithful as he arrived in St Peter's Square.

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Benedict waved to the faithful.

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Attendees waved US flags.

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Pope Benedict opened his arms during his final general audience.

Oded Balilty / AP

The faithful gathered at St. Peter's Square.

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A member of the Swiss guard stood in front of the Vatican.

Oded Balilty / AP

Nuns attended Pope Benedict XVI's last general audience in St. Peter's Square.

Peter Macdiarmid / Getty Images

A Blackberry mobile phone displayed Pope Benedict's last tweet.

ALESSANDRO BIANCHI / Reuters

Pope Benedict XVI left after his last general audience in St Peter's Square.