exiting steam from vent near lake myvatn region, iceland

active adventure arctic area attraction create demonstrates deposits destination discolored eggs energy escaping exit exiting field geologic geology ground groundwater heat hole hues hverarond hverir hydrothermal iceland lava magma mineral mineralogy moisture myvatn natural nature picturesque power region rotten rupture sightseeing smells smelly soils source steam sulfur sulfurous superheated thermal tones tourism travel vent visit volcanically volcanism water wonder