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Actun Tunichil Muknal
Actun Tunichil Muknal is a cave that the Mayans used for ceremonial purposes, dating back to around 900 AD. According to Maya lore, Actun Tunichil Muknal (known locally as “ATM”) connects the world of the living to Xibalba, the Maya underworld. This cave served as the site of human sacrifice – archeologists have uncovered the remains of 6 children and several adults inside the cave. Historians speculate that the Maya intended these sacrifices to appease the gods of the underworld.