Dark and boundless, the Amazon appears to have been deserted by mankind since the beginning of time. However, scientists have been experimenting with unprece-dented approaches to tropical archeology for almost a decade and are now accumulating discoveries. What did the pre-Columbian Amazon really look like?Following the work of scientists and archaeologists, this film reveals a thriving Amazonia populated by in-terconnected towns and villages, where men knew and mastered the tropical ecosystem.