Christmas Island Blowholes

Jagged limestone formations, some as tall as two meters (six feet), have formed above caves in the cliffs along the southern coast of Christmas Island. Incoming waves flood the caves, pushing a blustering spout of water and air up through the formations. The blowholes in the caves’ ceilings create spectacular plumes that fly up into the atmosphere with a loud, distinctive gushing sound, before crashing onto the limestone rocks.

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