Preview Sulfur fumaroles, sulfureous crystals, solfatara at Crater Lake Viti, caldera Krafla, MËvatn, Iceland, Europe Image ID: 832-247544 Artist: Dr. Torsten Heydenreich Purchase a commercial license Buy framed prints & more from our print store at caldera crater crystals day daylight daytime during europe european exterior exteriors fumaroles iceland icelandic krafla lake mËvatn myvatn nobody north northern outdoor photo photos shot shots solfatara sulfur sulfureous the viti viti