December 3, 2004
Earth Movers
Archaeologists say Brazil's rain forest, once thought to be inhospitable to humans, fostered huge ancient civilizations. The proof is in the dirt.Map: Showing rain-forest civilizationsBy MARION LLOYD
High along bluffs overlooking the confluence of the mighty Negro and Solimões Rivers here, supersize eggplants, papayas, and cassava spring from the ground.
Their exuberance defies a long-held belief about the Amazon. For much of the last half century, archaeologists
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