Mutnovsky
The Mutnovsky volcano with a thin haze of fumarol gasses around the top
[photo with kindest permission from Lutz Kirchner, http://lkirchner.de/]
Sane people's hell, rockhounds heaven. A fumarol field inside Severnaya
Mutnovsky crater. Probably this is the Verkhneye fumarolic field
[photo with kindest permission from Lutz Kirchner, http://lkirchner.de/]
Yellow sulfur crusts around Mutnovsky's fumaroles
[photo with kindest permission from Lutz Kirchner, http://lkirchner.de/]