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Archaeologists have uncovered a ceremonial temple in northwestern Peru that dates back roughly 4,000 to 5,000 years, exposing ancient walls, decorative friezes, and a central staircase that was likely used for early ritual gatherings.
During the excavation, the team also unearthed the skeletons of three adults along with what may have been an offering, providing rare insight into early religious customs and a little-understood culture that predates the better-known Andean civilizations.
Researchers additionally identified a second temple built much later, around 600–700 A.D., which contained the remains of a young child evidence of how spiritual traditions in this region shifted and developed over millennia.

Archaeologists recently uncovered the long-buried remains of this ceremonial complex hidden beneath layers of sand for four to five thousand years in Peru’s northwest. The team initially detected fragments of wall structures, which led them to excavate further and expose architectural features that clearly signaled the presence of a temple. Soon after, they encountered the skeletal remains of three adults positioned within the spaces between the walls.

“We may be looking at a religious complex nearly five millennia old, an architectural setting formed by rammed-earth walls,” said Luis Armando Muro Ynoñán, director of the Cultural Landscapes Archaeological Project of Ucupe Valle de Zaña, in a translated announcement released by Peru’s Ministry of Culture.