Rock fall on mountain roads, especially the notorious Gorges d’Arly, is a fact of life. However this (BMW?) driver had a very lucky escape when his car was crushed by a 20 tonne rock. The usual detours are now in place as the Gorges are closed for an investigation.
http://www.ledauphine.com/actualite/2012/01/25/une-voiture-ecrasee-par-un-rocher