Non-figurative markings on the walls of La Roche-Cotard cave in France are the oldest known engravings made by our sister species. The 57,000-year-old Neanderthal engravings discovered in La Roche-Cotard cave, France: the ‘circular panel’ (left) and the ‘wavy panel’ (right). Image credit: Jean-Claude Marquet / CC-BY 4.0. The site of La Roche-Cotard is in Indre-et-Loire, in the commune of Langeais, France. Discovered in January 1912, the cave...