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An advanced city built at 13,000 feet - and no one knows how
The ancient sites of Tiwanaku and Puma Punku, located high in the Bolivian Andes at nearly 13,000 feet, feature precisely shaped stonework with complex angles, channels, and drilled holes that suggest ...
shorten Explore the mysteries of Puma Punku and Tiwanaku in Bolivia, where massive precision-cut stones and famous H-blocks reveal advanced ancient engineering. This video examines unfinished ...
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