>The 3,500-year-old city, named Peñico, is believed to have served as a key trading hub connecting early Pacific coast communities with those living in the Andes mountains and Amazon basin.
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>Researchers say the discovery sheds light on what became of the Americas' oldest civilisation, the Caral.
Oldest civilization is a bit of a stretch. Earliest surviving structures is a stretch, but it's one we know about, so I guess they have to base it off that. More and more evidence is showing that humans were in the Americas farther back in time. While they weren't the builders of of fine stonework and megalithic structures like the Olmec (that we know of), there were certainly civilizations and cities before humans suddenly started building the massive pyramids and cities we have uncovered so far. There's a lot of secrets still hidden in the South American jungles.
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