The Sahara desert is considered the greatest “museum” of paintings and engravings in the world, containing hundreds of thousands of images from various periods stretching from prehistory until the recent historical era. However, since the first discoveries of rock art by Europeans in the nineteenth century, research in this inhospitable region has been hasty and precarious, often made by amateurs or accidental travellers rather than by academics. As a result, after several decades of research, we still have no exhaustive database of rock art and we know virtually nothing about its meaning.
See the ROCK ART