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The amazing glacier ice cave as seen in the timelapse short “Crystalapse: Wonders of Iceland” (www.youtube.com/watch?v=RIQqVqQs9Xs).
This cave is very blue, due to the light filtered through dense glacial ice. It is quite big, absolutely amazingly beautiful. The holes in the cave are known as moulins, from which dripping water carved the cavern years ago. It is located near Jokulsarlon Glacier Lagoon and Skaftafell in South Iceland, at the base of Svinafellsjokull Glacier. The cave is difficult to access by normal car and only accessible in the cold of winter while the risks of collapse are lower.