Ключевые слова: acid, active, adventure, asia, asian, blue, caldera, cloud, crater, danger, dangerous, east, eruption, exploration, fog, gas, heat, ijen, indonesia, indonesian, industry, java, kawah, lake, landscape, man, mine, miner, mineral, mining, mist, mountain, natural, nature, people, rock, scenic, sky, smoke, steam, sulfur, sulphur, toxic, travel, view, volcanic, volcano, work, worker, yellow,