Columnar basalt: One of the most amazing natural formation
Columnar basalt is a natural formation caused by the cooling of volcanic rocks. This cooling process makes the rocks contract and crack. The columns often have a hexagonal shape, but are also found in other geometrical shapes like 5 or 7 sides.
This formation is more common in basalt, but there are similar columns in other types of rocks. This phenomenon creates breathtaking landscapes throughout the world:
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