Engraved schist slab may depict paleolithic campsites
A 13,000 year-old engraving uncovered in Spain may depict a hunter-gatherer campsite, according to a study published December 2, 2015 in the open-access journal PLOS ONE by Marcos García-Diez from University of the Basque Country, Spain, and Manuel Vaquero from Catalan Institute of Human Paleoecology and Social Evolution – IPHES, Spain.