Over the centuries, scores of explorers attempted and failed to discover the lost civilisations that were rumoured to be hidden in the Amazon. Now, a new generation of scientific explorers is reviving the theories of ‘El Dorado’. What they’ve uncovered deep in the Amazon is evidence of massive, populated civilisations – radically challenging conventional notions of what the Western Hemisphere looked like before Columbus.
Episode Length: 01:00:00
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