Ключевые слова: area, bubble, crater, field, fumarole, gas, geology, geothermal, ground, high, hot, hverir, iceland, icelandic, krafla, landscape, mud, mudpot, myvatn, namafjall, nature, pot, smoke, solfataras, spring, steam, sulfur, sulphur, temperature, thermal, tourism, travel, volcanic, volcano,