seltun / krysuvik krýsuvík: fumarole emit sulphur gas behind geothermal field with puddles of hot water

abandoned acid adventure background beautiful blue bright bubbles bubbling crater danger emission emit environment field fumarole fumaroles fume gas gases geothermal geyser hot iceland lake landscape loneliness lonely nature plateau puddle puddles scenic shiny sky spring steamining sulfur sulfuric sulphur travel volcanic volcano water wet