About the film
Cave of Forgotten Dreams is a 2010 3D documentary film by Werner Herzog about the Chauvet Cave in Southern France, which contains some of the oldest human-painted images yet discovered—some of them were crafted around 32,000 years ago. It consists of footage from inside the cave, as well as of the nearby Pont d'Arc natural bridge, alongside interviews with various scientists and historians. The film premiered on 13 September 2010 at the Toronto International Film Festival.
From the film's Wikipedia article (CC BY-SA 4.0).