An engraved object recently found at the site of Moli del Salt in Spain and dated to the end of the Upper Paleolithic, about 13,800 years ago, may show a hunter-gatherer campsite, according to a paper published this week in the journal PLoS ONE. Photograph of the engraved schist slab from Moli del Salt. Image credit: Manuel Vaquero / Marcos Garcia-Diez. The Paleolithic art object in question is an engraved schist slab found at the rockshelter site...
