Puma Punku
536–600 CE
A ruined temple complex in Bolivia featuring stone blocks cut with machine-like precision — including H-shaped interlocking blocks, perfectly straight channels, and drill holes with internal flanges that modern engineers struggle to explain without power tools. The andesite blocks were transported from a quarry 90 kilometers away.
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Tiwanaku Puma Punku Megaliths
500–900 CE
Puma Punku's precisely interlocking H-shaped stone blocks, cut to tolerances of 0.1 mm without metal tools, represent a level of ancient stoneworking that has no satisfactory conventional explanation.
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