Scientists discover Machu Picchu could be at least two decades older than thought

The historical site is one of the most well-known in the world, yet its past and the people who used it remain among the more mysterious to western historians. Photograph: Ernesto Benavides/AFP/Getty Images

The historical site is one of the most well-known in the world, yet its past and the people who used it remain among the more mysterious to western historians. Photograph: Ernesto Benavides/AFP/Getty Images

source https://www.theguardian.com/world/2021/aug/04/scientists-discover-machu-picchu-could-be-at-least-two-decades-older-than-thought