Turn left at the circular scratch (Image: Pilar Utrilla) Above recognisable depictions of reindeer, a stag and some ibex are what Utrilla’s team believe is a representation of the landscape surrounding the cave (Image: Pilar Utrilla)

MODERN humans have got it easy. Anyone with a computer can look up just about any location and within seconds bring up a map complete with step-by-step directions from A to B.

The internet and centuries of map-making mean getting to, say, the prehistoric painted caves of France and Spain is child’s play. “But imagine a group of hunter-gatherers, returning to an area they …