Sonia Zarrillo and Peter Leach, University of Calgary (IMAGE)

University of Calgary

Sonia Zarrillo and Peter Leach, University of Calgary

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University of Calgary archaeologist Sonia Zarrillo (right) is pictured here at a research site in a Peruvian rock shelter. She is accompanied by Peter Leach, one of her co-authors for a new paper to be published in the Oct. 24 edition of the academic journal Science.

Credit

Walter Beckwith

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