Superdirt Made Lost Amazon Cities Possible?

Publication: National Geographic News   Date: November 19, 2008   View Article

Centuries-old European explorers’ tales of lost cities in the Amazon have long been dismissed by scholars, in part because the region is too infertile to feed a sprawling civilization.

But new discoveries support the idea of an ancient Amazonian urban network—and ingeniously engineered soil may have made it all possible.

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© 2008-2010 Collected Writings By John Roach