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Archaeo News 

30 June 2011
The lost civilizations of the Amazon

In recent years archaeologists have uncovered evidence of ancient, densely populated settlements throughout the Amazon basin, hinting at societies far larger and more advanced than previously thought.
     Archaeologist Denise Schaan of the Federal University of Pará in Brazil has mapped clusters of mysterious land sculptures dug between 700 and 2,000 years ago. The purpose of the 269 circular and rectangular earthworks, scattered over a 15,000-square-mile area, remains unknown, but Schaan suspects they were ceremonial platforms. "These earthworks could only have been built by large, coordinated populations," she says.
     Brazilian archaeologist Helena Lima of the Federal University of Amazonas believes the newly discovered settlements have a long history. In addition to hundreds of carvings of human faces approximately 3,000 to 7,000 years old, Lima also discovered pottery artifacts suggesting a network of connected villages covering the central Amazon.
     Although a jungle may seem an unlikely home for thriving civilizations, one researcher suggests that the ancient landscape could have been strikingly different. Archaeologist Augusto Oyuela-Caycedo of the University of Florida reports that remnants of corn and other crops in northeastern Peru indicate that large swaths of the region were actually gentle grasslands carefully managed by the inhabitants.

Edited from Discover (10 May 2010)

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