A Mexican man wearing a pre-hispanic costume walk next to the kukulkan pyramid at the Chichen Itza archaeological park, in Yucatan state, Mexico on December 20, 2012. Mexico is one of five countries preparing to celebrate on December 21, the end of the Maya Long Count Calendar --Baktun 13-- which began in 3114 BC. AFP PHOTO/Pedro Pardo (Photo credit should read Pedro PARDO/AFP/Getty Images)
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