International audienceSince the beginning of time, men have wondered about their origins. For a long time, this nebulous past, which they could hardly imagine, has been the object of hazardous constructions closer to myths and legends than to any history of man. Today, beside the prehistorians who try to decipher the vestiges of the past with tools of high technology, poets and artists of any kind see in the prehistory a lost world, a golden age, whose only access would be the poetry.Today, the word "prehistory" has entered the common language and we can even say that it is very popular. However, it does not evoke the same thing according to whether one is an adult or a child, a specialist or a neophyte, a writer, a psychologist, a philosop...