textured, cracked and patterned ground in the namaskard/myvatn area in icelandic nature.

active adventure arctic area boil boiling cracked crater desert emission energy eruption fumarole fumes gas geology geothermal ground heat hues hverarond hverir iceland icelandic island krafla lagoon landscape leading lines minerals mud mudpools mudpot myvatn namafjall namaskard namaskardmyvatn nature north outdoor patterned patterns rock rocks scenery smoke soil steam sulfur texture textured thermal travel traveling vent volcanic volcanism volcano