colorful soil due to active fumaroles in krysuvik-seltun geothermal hot springs area in iceland.

geyser europe european nordic scandinavia scandinavian iceland icelandic island nature trip travel tourism touristic famous landscape scenic vacation landmark tourist exploring adventure holiday rock volcanic geothermal power steam erupting rain fog fountain sightseeing splash eruption outdoor attraction fumarole active sulphur krysuvik seltun mineral bubbling solfatara sulfur heat