The gorges also show the traces of the uplift of the Alps. Following the collision between the Eurasian and African continental plates, the limestone and schistous layers became folded like marshmallows. Ÿou then begin to understand the colossal energies in action! This phenomenon is still ongoing. Proof can be seen in the recurring earthquakes in the Turin region, which, with time, herald the physical rapprochement of the two shores of the Mediterranean, but rest assured, it will be some time before it happens!