VATICAN CITY, VATICAN - DECEMBER 25: Swiss guards attend the Pope Francis' 'Urbi et Orbi' blessing message in St Peter's Square on December 25, 2015 in Vatican City, Vatican. During his Christmas message Pontiff Sayd ' My thoughts turn to those affected by brutal acts of terrorism, particularly the recent massacres which took place in Egyptian airspace, in Beirut, Paris, Bamako and Tunis. (Photo by Franco Origlia/Getty Images)
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