active klyuchevskoy volcano at sunrise. kamchatka peninsula

active beauty blue caldera climb climbing cloud cone crater day ecology ecosystem effusion ecotourism scenery erupting eruption expedition extreme fog fumarole fumarolic emission ejection geology geothermal harmony hike hiking idyllic kamchatka klyuchevskaya klyuchevskoy kluchevskoy landscape lava magma mountain mountaineering natural nature nobody outdoor peak picturesque russia russian sunrise sky smoke smoking snow sopka stratovolcano sunny tourism touristic travel trip volcanic volcanism volcano ash weather white winter kamchatsky plume volcanology geography geologic height highlands mountainous recreation glacier season