avachinsky volcano, kamchatka, russia

2741 avacha avachinskaya avachinsky background beauty black blue brown calm clouds cone crater day distance distant eruption expedition extreme gas grandiose high hills hydrogen ice journey kamchatka known landscape lava leisure metres mirage mountains nature outdoors pass peak prospect rambling range recreation rocks russia sand scenic sky snow sopka splendid sulfide summer summit surges terrain top tourism travel view volcanic volcano walking wilderness