Scientists uncover purpose of 5,200 mystery holes in Peru, revealing a lost Andean system of trade and record-keeping
In the southern Peruvian Andes, a long band of thousands of carefully carved holes at a high altitude has perplexed researchers for nearly a century. Monte Sierpe—also sometimes called the “Band of Holes”—stretches along a ridge above the Pisco Valley for about 1.5 kilometers...
More info: https://archaeologymag.com/2025/11/scientists-uncover-purpose-of-mystery-holes-in-peru/
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