Ключевые слова: aerial, area, background, blue, boiling, clouds, color image, crater, day, drone, energy, erupting, europe, excire en, fumarole, fumaroles, gas, geology, geothermal, geyser, horizontal, hot spring, hot springs, hverir, iceland, icelandic, image content, krafla, lake, landscape, liquid, mud, myvatn, namafjall, natural, nature, no people, northern europe, other, outdoor, outdoors, place, poolside, sky, smoke, spring, steam, sulfur, sulphur, water,