Jeju Day 3
September 21st 2012 I've already said that Jeju is a volcanic island. And where there are volcanoes there is lava and lava leaves behind... lava tubes. And it was to see the largest of these lava tube systems, Mang Jang cave, that I went today.
Mang Jang cave stretches about 7km in its entirety, but only 1km is open to the public. It is apparently the natural habitat of a number of endangered plant and animal
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