Aztec Rain God, Mexico City, Mexico, 2003Photograph by Macduff EvertonAn Aztec brazier in the Templo Mayor Museum in Mexico City depicts Tlaloc, the god of rain. Like many Aztec deities, Tlaloc was both benevolent and wrathful, sending rain to nourish crops but also unleashing drought and hurricanes and demanding appeasement in the form of sacrificed children.