Chankillo is an ancient monumental complex in the Peruvian coastal desert, found in the Casma-Sechin basin in the Áncash Department of Peru. The ruins include the hilltop Chankillo fort, the nearby Thirteen Towers solar observatory, and residential and gathering areas. The Thirteen Towers have been interpreted as an astronomical observatory built in the third century BC. The culture that produced Chankillo is called the Casma/Sechin culture or the Sechin Complex. The site was awarded UNESCO World Heritage status in July 2021.
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Chankillo is an ancient monumental complex in the Peruvian coastal desert, found in the Casma-Sechin basin in the Áncash Department of Peru. The ruins include the hilltop Chankillo fort, the nearby Thirteen Towers solar observatory, and residential and gathering areas. The Thirteen Towers have been interpreted as an astronomical observatory built in the third century BC. The culture that produced Chankillo is called the Casma/Sechin culture or the Sechin Complex. The site was awarded UNESCO World Heritage status in July 2021.
The site covers about four square kilometres (1.5 square miles) and has been interpreted as a fortified temple.
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