Cueva de los Aviones, ... A ladder-like drawing in Spain’s La Pasiega cave is thought to have been made 64,000 years ago by Neanderthals. Photo courtesy of C.D Standish, ...

A photograph (left) shows Panel 78 in La Pasiega. ... and a shell with remnants of pigments (bottom) found in sediments in Cueva de los Aviones date to between 115,000 and 120,000 years. (J.