Crystal Cave of Svmnafellsjvkull in Skaftafell national park, Iceland$ u, E4 G' D* n w9 z

- ]# E/ b& H, |' i4 e# g( i& RNature 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# u, T* Y& e5 p
/ O+ X' t- n* C+ A- C . x; Z4 C$ `1 t. Z8 H9 l* o, L- V3 H
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 |