Ключевые слова: active, contrast, contrasty, cracked, crater, crust, dangerous, detail, dramatic, earth, europe, fumarole, gas, geology, geothermal, geothermal field, hot, hot spring, hverir, icelandic, krafla, landscape, minerals, mudpot, myvatn, namafjall, namaskard, nature, north, pool, rock, scandinavia, silica, sky, smell, soil, solfatare, steam, stinking, sulfur, thermal, travel, turquoise, volcanic, volcano, water,