
Road construction near Rio De Janeiro, Brazil, has uncovered nearly 60 overlapping archaeological sites, some of which date back 6,000 years. The archeologists unearthed very old vestiges such as “sambaquis” (shell mounds) of the various population groups who were scattered along the coast of the Americas 8,000 to 6,000 years ago, 2,000-year-old burial urns and [...]