Ключевые слова: active, activity, area, background, beautiful, blue, boiling, car, cloud, crater, crust, dangerous, dramatic, earth, energy, eruption, evening, field, fumarole, gas, geology, geothermal, ground, heat, hot, hverir, iceland, icelandic, lake, landscape, mud, myvatn, natural, nature, power, scenery, sky, smoke, soil, spring, steam, sulfur, sun, thermal, tourism, vapor, volcanic, volcano, water,