Gardening - The Super Soil - The Secret of El Dorado (Horizon 2002) Discovery of Terra Preta

ToughCow
Published on Feb 19, 2026
A concise break down of 'The Secret of El Dorado' (BBC) spliced with clips of 'Unnatural Histories: Amazon' (BBC) to focus on the history of the miraculously fertile ancient soil known as Terra Preta.

http://www.bbc.co.uk/science/horizon/2002/eldorado.shtml

National Geographic - Lost Cities of the Amazon - Terra Preta clip: https://vimeo.com/87933397

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