Ключевые слова: abstract, acid, adventure, asia, background, beautiful, blue, cloud, crater, danger, fog, fumarole, gas, heat, ijen, indonesia, java, kawah, lake, landscape, lava, man, miner, mineral, mist, mountain, natural, nature, outdoor, people, rock, scenic, sky, smoke, sport, steam, sulfur, sulphur, summer, texture, tourism, travel, trekking, view, volcanic, volcano, volcanoes, water, worker, yellow,