close up image of pumice rock outcrops. kuthin bata, kronotsky reserve, kamchatka peninsula, russia

activity adventure angle bata beautiful brown bushes close closeup day eco environment extreme formation geology hiking image journey kamchatka kronotsky kuthin landscape low material mineral mount mountains natural nature outcrops outdoor peninsula porous pumice range reserve rock rough russia sandstone scenery scenic stone summer textured tourism tracking tranquility travel trekking view volcanic weathered