Ключевые слова: actively, black, caldera, countryside, crater, energy, field, formation, fumarole, geological, geothermal, grey, ground, hot, iceland, icelandic, krafla, landscape, lava, lava field, mountain, mountainous, myvatn, nature, nobody, pahoehoe, rock, rugged, scenic, smoke, steam, stone, vast, volcanic, volcanism, volcano,