VATICAN CITY, VATICAN - DECEMBER 25: Swiss Guards ,arrive in St. Peter's Square to attend Pope Francis' Christmas Day message from the central balcony of St Peter's Basilicaon December 25, 2014 in Vatican City, Vatican. The 'Urbi et Orbi' blessing (to the city and to the world) is recognised as a Christmas tradition by Catholics with the Pope Francis focusing this year on the peace in the world. (Photo by Franco Origlia/Getty Images)
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