bubbling geothermal hot/mud pool in the hverarond area near myvatn in the icelandic landscape

adventure arctic area boil boiling bubbling colorful crater desert emission energy eruption fumarole fumes gas geology geothermal ground heat hotmud hues hverarond hverir iceland icelandic infront island krafla lagoon landscape mineral minerals mud mudpools mudpot myvatn namafjall namaskard nature north outdoor patterns pool rich rock rocks scenery smoke soil steam sulfur sulphur texture textured thermal travel traveling volcanic volcanism volcano