How wielding lamps and torches shed new light on Stone Age cave art

What took so long? This is a very old idea!

It has been known for several decades if not much longer that to appreciate art as it was seen by contemporaries of the artist you need to employ lighting conditions that were available at the time.

How wielding lamps and torches shed new light on Stone Age cave art | Science News Experiments with ancient light sources help unravel how people created underground paintings