Red ochre markings that were painted on stalagmites by Neanderthals about 65,000 years ago are seen in a prehistoric cave in Ardales, southern Spain. Reuters
Red ochre markings that were painted on stalagmites by Neanderthals about 65,000 years ago are seen in a prehistoric cave in Ardales, southern Spain. Reuters

Neanderthals were artists: prehistoric cave paintings discovered in Spain