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Photolab

Cave times

Roughly 7,500 years ago, humans took shelter in Abrigo do Alvo, Analândia, in the state of São Paulo, leaving a series of markings carved into the rock. “We are not looking for the meaning of these codes—that has been lost over time. It would be like someone finding traffic signs thousands of years from now and interpreting them without any context,” explains archaeologist Marilia Perazzo. Together with her colleague Astolfo Araujo, she looks for graphical patterns among rock paintings and engravings in the state, an area still relatively unstudied.

Image submitted by Marilia Perazzo, collaborating professor at the Museum of Archaeology and Ethnology (MAE) of the University of São Paulo (USP)

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