Caves of Drach
...the caves are without doubt one of the island's most outstanding tourist attractions, extending for almost 2,400 meters and at heights of 25 meters above the cave floor.
Hidden within the caves is Lake Martel, considered to be one of the largest subterranean lakes in the world, (177 meters long and 30 meters wide).
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Hidden within the caves is Lake Martel, considered to be one of the largest subterranean lakes in the world, (177 meters long and 30 meters wide).
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