We discovered the earliest prehistoric art is hand prints made by children

Fossilised footprints, and more rarely, hand prints, can be found around the world; left as people went about their daily business, preserved by freak acts of geological preservation. In new research our international team have discovered ancient hand and footprints high on the Tibetan plateau made by children.

https://theconversation.com/we-discovered-the-earliest-prehistoric-art-is-hand-prints-made-by-children-167400