Ключевые слова: above, acid, acidic, active, aerial, asia, blue, cloud, crater, danger, day, eruption, extreme, fog, fume, fumes, gas, heavy, hike, hiking, ijen, indonesia, island, java, lake, landscape, mist, mountain, natural, nature, panorama, panoramic, poison, poisonous, rock, scenic, sky, smoke, sulfur, sulpfur, sulphur, sunny, toxic, travel, trekking, view, volcanic, volcano, water, yellow,