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(KAREN BLEIER/AFP/Getty Images)

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(PAUL J. RICHARDS/AFP/Getty Images)

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COP20 President and Peruvian Minister of Environment Manuel Pulgar slams his mallet on December 14, 2014, during the marathon UN talks in Lima. (CRIS BOURONCLE/AFP/Getty Images)

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(Christopher Furlong/Getty Images)

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A man dressed as Santa Claus drives his old Fiat 500 in the Piazza Venezia in central on December 23, 2014. (FILIPPO MONTEFORTE/AFP/Getty Images)

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Australian Governor General Peter Cosgrove (R) with China's President Xi Jinping and his wife Peng Liyuan, as she holds a wombat in the grounds of Government House on November 17, 2014 in Canberra, Australia. (David Gray - Pool/Getty Images)

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People dressed in Santa Claus costumes attend a celebration for the Christmas Eve at Xinjiekou on December 24, 2013 in Nanjing, China. (ChinaFotoPress/Getty Images)