Scientists find 5,000-year-old livestock pens in Spain

Scientists find 5,000-year-old livestock pens in Spain Barcelona, Spain (UPI) Jun 9, 2016 - The excavation of an ancient rock shelter in northern Spain has yielded evidence of 5,000-year-old livestock pens. The ancient structures offer some of the earliest evidence of the use of rock walls to secure livestock in the region. Scientists have previously documented livestock enclosures among ancient settlements of Sierra de Cantabria, the mountain range in the Spanish province of ... more

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