valley of geysers. kamchatka. a hot stream flows through a rocky bed.

activity area bad bed boil boiler cauldron creek energy envelope environment eruption flow flows fog fumarole geological geology geothermal geyser geysers haze hazy hidden hill hillside hot kamchatka mist misty mountain mountainside poor power processes rise river rock rocky shrouded slope slopes smoke splash spring springs steam steamed steaming stream thermal thick valley vapour visibility volcanic water