icelandic thermal sulphur field

area barren beautiful beauty blue boiiling cauldrons choking clouds color colorful colour colourful craters danger dangerous desolate energy environment environmental europe expanse field fumaroles fumes geologic geological geothermic gurgling hazard hazardous high hot iceland icelandic inhospitable lakes landscape mineral moonscape mud namaskard nature north northern naiexcl maskaradeg orange outdoor people plain poison poisonous ponds pots purple scene scenic sky solfataras springs steam steaming sulfur sulfurous sulphur sulphurous temperature thermal tourists toxic travel unstable violent visitors volcanic wild yellow