A UK tourist visiting “ Europe’s most beautiful island ” has slammed the destination as having been wrecked by over-tourism. Santorini-known since ancient times as Thira-is one of the most famous islands in the world.It forms the southernmost part of the Cyclades.... One likened being in the narrow passageways of Oia to the “ woodcut of Dante's Circles of Hell with the condemned souls shoulder to shoulder as they funnel down to the bottom ”.... This tourist was not alone in such sentiments-San