Picture of the Day: Jeju’s Volcanic Cliffs

| October 12, 2026 | Picture of the Day | No Comments
View of columnar joints on Jeju Island
View of columnar joints on Jeju Island
Tourists look at columnar joints, or natural pillars of hardened lava created by the contraction of volcanic rock as it cools, in the city of Seogwipo on South Korea’s largest island of Jeju on Oct. 8, 2026. (Yonhap)
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