Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceros into the walls, a fabulous prehistoric menagerie ...

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.