Ключевые слова: acid, adventure, asia, asian, basket, caldera, collecting, cooling, crater, culture, danger, dangerous, destinations, east, ethnic, exotic, exploration, extracting, extraction, gases, hard, ijen, indonesia, indonesian, industry, job, kawah, labor, landmarks, miner, mining, nature, noxious, people, pipes, places, poisonous, porter, spraying, standing, sulphur, sulphuric, tough, tourism, toxic, volcano, water, work, worker,