Galéria: A Nimfák barlangja két évezredig csak a mítoszokban élt - galéria
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Melissani cave is known from ancient Greece as there is a temple inside the cave-lake. Today tourists can visit the famous cave and have a boat trip inside. The water inside is turquoise and crystal clean. The cave has an open ceiling so sun lights gets inside and creates a unique atmosphere. Kefalonia island is in the Ionian sea, in the western part of Greece. (Photo by Nicolas Economou/NurPhoto) (Photo by Nicolas Economou / NurPhoto / NurPhoto via AFP)