5,000 mysterious holes carved into a Peruvian hillside were an ‘ancient computer’ used for accounting
For nearly a century, thousands of strange holes carved into a barren Peruvian hillside puzzled archaeologists, historians, and even conspiracy theorists. Stretching across the dry slopes of the Pisco Valley in southern Peru, the massive formation contains more than 5,000 carefully arranged pits that can only truly be appreciated from the air. Some believed they…