Laser scans of the southwestern Amazon have revealed nearly 400
previously unknown earthworks hidden beneath the rainforest canopy,
according to a study led by the University of Helsinki and published in
the journal
Nature. The findings indicate that the region, in
what is now the Brazilian state of Acre, was home to a large
pre-Columbian population that researchers have named the Aquiry
civilization.
The research team used computer modeling to estimate that about
20,000 earthworks may exist across an area of roughly 400,000 square
kilometers. According to the study, the region was home to an estimated
1.25 million to three million people during the first millennium AD. The
results were reported in late July 2026....<<<Read More>>>...