Lions painted in the Chauvet Cave. (Photo: HTO/Wikimedia Commons)
Some cave paintings dating as far back as 30,000 years may have been man's earliest entertainment.
French archaeologist and filmmaker Marc Azéma has spent 20 years studying movement in animal cave paintings in France and Spain and he's concluded that the images were designed to be looked at sequentially, much like a cartoon or film.
The World's Carol Hills reports on what may be the earliest form of cinema.