_:n28adc056d76c403d813f2a448212fd82xb0
<http://schema.org/description>
"Beneath one the oldest South American pyramids—in Huaca Prieta, Peru—researchers found evidence of a previously unknown early human civilization. Certain artifacts show these ancient people had advanced knowledge beyond that of other ancient cultures during that same period."
<https://secondnexus.com/news/science/peruvian-pyramid-artifacts>