aerial image of snow-covered russian volcano

active aeriallandscape aerialshot aerialview alaska autumn beautiful blue climbing cone conical crater day dormant ecosystem environment erupting eruption fall forest glaciated grass hiking ice isanotski kamchatka kamchatkapeninsula koryak koryakskaya landscape mountain natural nature nobody peak picturesque russia shishaldin sky snow stratovolcano summit tourism travel valley view volcanic volcanicrock volcano weather