Imjingang Columnar Joints (Hantan River UNESCO Global Geopark)

Imjingang Columnar Joints (Hantan River UNESCO Global Geopark)

Dongi-ri, Misan-myeon, Yeoncheon-gun, Gyeonggi-do
Spectacular vertical basalt columnar joints stretch for several kilometers along the Imjingang River from where it meets the Hantan River, forming cliff faces resembling folding screens. These hexago…
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