The Economic Times

In 2018, researchers used satellite imagery to identify 81 ancient earthwork sites in the Amazon, providing evidence of pre-Columbian settlements

Recent archaeological discoveries in the Amazon rainforest reveal that advanced civilizations flourished in this region long before European contact. Evidence of geometric constructions and the use of terra preta highlights the sophisticated urban planning of these cultures. Furthermore, numerous earthworks hidden beneath the dense foliage challenge the long-held belief that the Amazon was merely an untouched wilderness.