Ключевые слова: ancient, aragonite, background, beautiful, calcium, carbonate, cave, cavern, cold, cretan, crete, crystal, culture, danger, dark, dramatic, drip, earth, formation, geology, gerontospilios, greece, greek, grotto, heroic, historical, history, illumination, inside, landmark, legend, light, mountain, mystical, natural, nature, place, rethimno, rethymno, rock, scary, speleothems, stalactite, stalagmite, stone, structure, tragic, travel, underground, wall,