Ключевые слова: acid, action, adventure, bars, chloride, chunks, cloud, condensation, couple, crater, dangerous, erupting, exploration, extremely, fog, fracture, fumarole, fumes, gas, heat, hiking, hydrogen, ijen, indonesia, java, landscape, love, lover, man, miner, mineral, mist, mountain, nature, off, people, polution, rock, scenic, smell, smoke, steam, steel, sulfur, sulfuric, sulphur, trekking, two, unconscious, unpleasant, volcanic, volcano,