The Natural Arch, an amazing paleolithic sculpture, is what remains of a deep and very high cavity originally underground and, after a landslide, it has become discovered. The incoherence of the rock led to the continuous crumbling up to what we can see today: a 12-meter-wide section of the vault suspended at about 18 meters above the ground, the features of a natural bridge between two rock pillars. The Natural Arch is raised above the sea level and its semicircular split framing a fabulous panorama …