CA, US & World
New Study Suggests Peru’s Mysterious 5,200 Holes Were Created for Ancient Trade and Inca Accounting
By: NBC Palm Springs
November 22, 2025
PeruMonte Sierpeband of holesInca EmpireChincha Kingdomarchaeology Peruancient marketplaceInca accountingkhipuPisco ValleyAndean historydrone archaeologyAntiquity journal

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