hot springs, fumaroles in thermal field in crater active mutnovsky volcano on kamchatka peninsula

kamchatka volcano fumarole field fumy volcanology volcanic volcanism geothermal geyser caldera landscape aggressive climate cloud crater thermal ecology ecosystem environment eruption fog gas canyon geology heat hot lava mineral mountain nature power relief rock sky smoke spray steam stone tourism travel valley river russia fume beautiful vapor erosion slope spring stream mutnovka adventure geography geologic highlands idyllic massive mountainous scenery view weather cone scenic eurasia asia mount picturesque recreation harmony cliff natural nobody outdoor