Mysterious Animal-Shaped Structures Are Oldest Known
Manmade mounds shaped like orcas, condors and even a duck may be the oldest evidence of animal mounds outside of North America, according to former University of Missouri anthropologist.
Writing in the magazine Antiquity, Robert Benfer, a professor emeritus, describes a series of mounds, some more than 1,300 feet (400 meters) across, in coastal valleys in Peru. Archaeological evidence at the sites pegs some at more than 4,000 years old.
"It's going to shake everybody's views," Benfer told LiveScience. "The previous oldest animal figures were at Nazca and they're 2,000 years old."...
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