Ancient rock carvings in southern Peru could have been made by people high on hallucinogenic drugs, a new study suggests.
The carvings likely portray dancers and are featured on more than 2,000 boulders in the dry gorge of Toro Muerto (Spanish for “Dead Bull”) in the valley of the Majes River. They are thought to be between 1,400 and 2,100 years old. Archaeologists think many were carved between 100 B.C. and A.D. 600 by the Siguas people, who were influenced by the Nasca (or Nazca) culture of southern Peru that made the famous geoglyphs in the desert of the same name.
But wavy lines in the rock carvings are also strikingly similar to art made in the 1970s by the Tucano (also spelled Tukano) people indigenous to the Amazon rainforest in Colombia, Brazil and Ecuador. In those cases, the Tucano made their art during visionary states caused by ingesting the hallucinogen ayahuasca — a drink made from the vine Banisteriopsis caapi. These similarities suggest that the Peruvian rock carvings may also have been influenced by similar visions, according to the new study, published on April 3 in the Cambridge Archaeological Journal.
Related: 9,000-year-old rock art discovered among dinosaur footprints in Brazil
Dancing carvings
Study co-author Andrzej Rozwadowski, an archaeologist at Poland’s Adam Mickiewicz University, explained that many early researchers used the Latin American term “danzantes,” meaning “dancers,” to describe the carvings at Toro Muerto. It wasn’t absolutely established that the figures were dancing, but many of them appeared to be, he told Live Science.
Many of the carvings “are characterized by dynamic poses, the knees of some of them are bent, the legs of others are straight but spread widely, suggesting movement,” said Rozwadowski, who conducted the study with Wołoszyn Janusz, an archaeologist at the University of Warsaw. The research was carried out by a Polish-Peruvian team led by Janusz and Liz Gonzales Ruiz, the director of the Toro Muerto Archaeological Project.
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