Archaeologists announced a discovery that has broad implications for the history of the Amazon: evidence of human settlements in Bolivia dating back at least 10,000 years.
International researchers came to this conclusion after discovering remnants of human activity in three mounds examined out of the hundreds that scatter the the Llanos de Moxos region in present-day Bolivia, according to the paper published this week in peer-reviewed scientific journal PLoS ONE. Inside some of the mounds was evidence apparently left by human foragers, including ancient sea shells, animal bones and charcoal. Radiocarbon dating of the soil suggests the mounds are the oldest known archaeological sites in the area.
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