volcanic landscape of hverir, myvatn geothermal area in iceland, with steam vents

area blue boiling colorful crack crater crevasse dramatic field fissure flood flow formation fumarole geology geothermal grey hot spring hverarapara hverir iceland icelandic lake land landmark landscape mineral mountain mud pot myvatn natural nature orange pool red river rock simmering sky smoke soil steam stream sulfur tourist vent volcanic water vents springs pools streams sea shore wave coast sand winter ocean beach cloud snow reflection