Dated to: 30,000 B.C. | This cave, often flooded by an underground river, revealed images to spelunkers in 2009—a bison, a horse ... the capacity for art was present long before humans left ...

The 20-meter-long section ... depict a body, the horse is restricted to the head and neck. Alongside the remarkable volume of paintings and engravings found on the cave walls and ceilings ...