Monday, March 19, 2018
Lava Tubes on Jeju Island | South Korea
Postcard
Formed between about 100 and 300 thousand years ago, the Geomunoreum Lava Tube System comprises a series of lava tube caves formed by a flow of basaltic lava, erupted from the Geomunoreum volcano.
Jeju Volcanic Island and Lava Tubes is a UNESCO World Heritage site.
Labels:
Korea South,
UNESCO
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