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Two ancient North American structures crumble as tribes see impending doom
“For our ancestors, the builders, this was a bad omen that indicated the proximity of an important event.”
National Park ServiceLess than two weeks earlier, a pyramid at the Ihuatzio Archaeological Zone in the Mexican state of Michoacán partially buckled under intense rain. Experts theorize nature was to blame for the demise of both structures: the changing water levels and erosion from waves in Lake Powell likely contributed to the Double Arch’s collapse, a drought caused cracks in the pyramid that allowed rainwater to filter through the interior of the Ihuatzio Archaeological Zone. The Ihuatzio Archaeological Zone, founded around 900 AD, was considered the capital of the Purépecha peoples — especially when the tribe reached its apex of domination in the southern Mexican region between the 13th and 16th centuries.
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