Santorini is one of the Cycladic islands located in the Aegean Sea. It was destroyed by a volcanic eruption in the 16th century BC, which forever shaped its rugged landscape. The white-walled, cube-shaped houses that distinguish the two main cities, Oia and Fira, are perched atop the cliffs overlooking an underwater caldera (crater). From these cities the panorama extends to the sea, to the small islands to the west and to the beaches made of black, red and white volcanic