The oldest representational cave painting dates from about 30,000 years ago. Most date from 20,000 years ago or less, in what's called the Upper Paleolithic era. Rocks were ground up to make ...

Painting from three cave sites, a red linear motif in Cave of La Pasiega, a hand stencil in Maltravieso Cave, and red-painted speleothems in Ardales Cave, was found to be more than 64,000 years old.