Archeologists Make Jaw-Dropping Discovery That Was Buried for 2,500 Years

Martti Pärssinen and Fabio de Novaes Archeologists uncovered nearly 400 previously unknown ancient earthworks beneath the southwestern Amazon rainforest, revealing what is believed to be evidence of complex societies that flourished long before Spanish and Portuguese colonists arrived. The findings, published this week in the journal Nature, identified circles, squares, and other geometric formations that archeologists call geoglyphs dating from 600 B.C. to 850 A.D. using lidar, a…