Picturesque clifftop view in unique Oia town.The town has whitewashed houses carved into the rugged clifftops, and overlooks a vast caldera filled with water.Santorini is one of the Cyclades islands in the Aegean Sea. The whitewashed, cubiform houses of its 2 principal towns, Fira and Oia, cling to cliffs above an underwater caldera (crater),September 4th 2013
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