BARCELONA, SPAIN—A rock shelter in the Sierra de Cantabria mountains in
northern Spain was repeatedly used as an animal pen some 5,000 years
ago, according to a study conducted by scientists from the University of
Barcelona, the University of the Basque Country, and the Spanish
National Research Council. Analysis of charcoal, pollen, seeds, and
other plant remains recovered during the investigation indicate that
Copper Age herders held their goats and/or sheep in the rock shelter
intermittently, probably to take advantage of hazelnut and acorn trees
that grew in the area. “We also know thanks to the microscopic study of
the sediments that every now and again they used to burn the debris that
had built up, probably to clean up the space that had been occupied,”
archaeologist Ana Polo-Diaz of the University of the Basque Country said
in a UPI report.
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