Pope Francis Inauguration 2013: A Million Gather In St Peter's Square At The Vatican (PICTURES)

Massive crowds have gathered in St Peter's Square for the inauguration of Pope Francis on Tuesday.

Pilgrims and world leaders flocked to the Vatican on a sunny spring morning as Pope Francis toured the square in an open-topped car.

Mass in St. Peter's Square

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PICTURES: Pope Francis Inauguration Mass Held At Vatican