| Crystal Cave of Svmnafellsjvkull in Skaftafell national park, Iceland8 [) f% U! V! H: e 
  , c  _: z- O$ Y! T/ W4 t' ]- c Nature at its best: Created by the awesome forces of the Vatnajvkull ice cap in the south of the volcanic island, the deep blue cave was formed by the glacier meeting the coastline
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  5.39.217.77, A; @- f$ F5 ~/ q0 [: W Changing size: Accessible through a 22-foot entrance on the shoreline, the cave tapers to a tight squeeze at the end no more than four feet high
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