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A woman raises her arms to receive energy from the sun at the Mayan pyramid El Castillo (The Castle), in Chichen Itza, in the southern state of Yucatan, Mexico March 21, 2009 (Credit: Reuters/Argely Salazar)

A woman raises her arms to receive energy from the sun at the Mayan pyramid El Castillo (The Castle), in Chichen Itza, in the southern state of Yucatan, Mexico March 21, 2009 (Credit: Reuters/Argely Salazar)