Topo Islands Santorini 1:26 000 (10.24)As you enter the caldera of Santorini by ferry sheer cliffs rise up dramatically, exposing richly coloured rock strata, crowned by the colored houses of the cliff top settlements. Equally magnificent is the sunset from the heights of the caldera towards the sea and the remnants of prehistoric rounded island Strogyli, Thirasia, the New and Old Kameni. However, there is more than the visual excitement to discover and if you dont take the time to walk