Pope Francis offeres a Christmas Day wish for peace to a world scarred by wars and the threat of terrorism.
In Pictures: Christmas Celebrations Around the World

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People light candles during a Mass on Christmas at Alexander Nevski cathedral in Sofia, Bulgaria, Dec. 25, 2016.

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Iranian Christian worshipers pray during Christmas Mass at the Saint Joseph Chaldean- Assyrian Catholic church, in Tehran, Dec. 25, 2016.

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Iraqi Christians attend a Mass on Christmas at an Orthodox church in the town of Bashiqa, east of Mosul, Dec. 25, 2016.

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Villagers attend a praying ceremony on the Christmas Eve at a Catholic church on the outskirts of Taiyuan, North China's Shanxi province, Dec. 24, 2016.