Ключевые слова: active, areal, ash, ashes, atmosphere, blue, cataclysm, cloud, clouds, cone, december, environment, erupting, eruption, etna, flow, fuego, gas, greenhouse, high, kamchatka, landscape, lava, magma, mount, mountain, national, nature, outdoor, park, peak, plume, rock, seismology, shape, sicily, sky, smog, smoke, stone, straddling, stream, sulfur, tectonic, travel, trekking, volcanic, volcano, warming, white,