Science news: Mayan excavation uncovers new calendar that debunks 2012 myth

Science news: Mayan excavation uncovers new calendar that debunks 2012 myth

Science news: Mayan excavation uncovers new calendar that debunks 2012 myth

William Saturno, a Boston University archeologist, excavates a mural in a house in Xultun
William Saturno, a Boston University archeologist, excavates a mural in a house in Xultun
boston.com
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