‘They take you out of life, out of time’: a journey into Spain’s astonishing cave paintings

For tens of thousands of years, these Palaeolithic artworks were unseen. When they were rediscovered, onlookers marvelled at their vivid beauty. One of the world’s leading experts took me up close Written and read by Stephen Phelan. Help support our independent journalism at theguardian.com/longreadpod