New discoveries are revealing a forgotten civilisation that once thrived in the jungles of the Amazon. But what happened to it? Are there clues to what caused the collapse in today’s battles against deforestation, gold mining, and disease? And do the surviving Amazonian people face a similar fate?

New discoveries are revealing a forgotten civilisation that once thrived in the jungles of the Amazon. But who created it and when? Archaeology and technology trace the first steps of a forgotten jungle civilisation.

New discoveries in the Amazon rainforest are revealing evidence of a long-lost civilisation. Mysterious geometric shapes carved into the Brazilian landscape, ditches in the forest, and giant mounds on the plains of Bolivia – are these remnants of ancient jungle cities?