CNN —Prehistoric humans in Brazil carved drawings in the rock next to dinosaur footprints, suggesting that they may have found them meaningful or interesting, a new study has found. A dashed line indicates petroglyphs made by indigenous people, while a continuous line shows theropod dinosaur footprints. “I think rock art creation was embedded in some sort of ritual context: people gathering and creating something, perhaps utilizing some psychotropics. I think they were interested in what the footprints represent, and I suppose they identified them as footprints. “This was the case in various parts of the world where rock art was practiced, and it is very clearly visible, among others, in the North American Southwest/U.S.

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Persons: ”, Leonardo Troiano, We’ll, ” Troiano, Australia —, Troiano, Radosław, ” Palonka, Leonardo Troiano Jan Simek, Simek, Adrienne Mayor, ’ Simek Organizations: CNN, Institute of National Historic, Heritage, Jagiellonian University, Southwest, University of Tennessee, Stanford University Locations: Brazil, Paraíba, Brasilia, Australia, Serrote, United States, Poland, Kraków, U.S, Knoxville