Checua - Credit: Wikimedia Commons
Checua is a preceramic open area archaeological site in Nemocón, Cundinamarca, Colombia. The site is located north of the town centre.Gómez Mejía, 2012, p.146 At Checua, thousands of stone and bone tools, stone flakes and human remains have been found, indicating human occupation from around 8500 to 3000 years BP. Read more on Wikipedia
Source: en.wikipedia.org