Icicles hang from the ceiling of a ice cave, whose scalloped walls and ceilings have been carved by the melting and movement of the Vatnajökull Glacier.
Self portrait in the Blue Dragon Ice Cave on the Vatnajökull Glacier, Iceland.
As light penetrates the dense layers of glacial ice, the longer wavelengths are absorbed while the shorter wavelenghts are transmitted and scattered, creating the beautiful blue patterns seen in ice caves.
