Ключевые слова: activity, adventure, asia, basket, caldera, ceramic, color, colorful, cone, crater, danger, dangerous, deadly, destination, east, fog, fume, gas, geology, ijen, indonesia, java, ladder, landscape, mine, mineral, mining, mount, natural, nature, ore, pipe, rock, scene, scenic, smoke, steam, stone, sulfur, sulphur, tourism, toxic, travel, vent, volcanic, volcano, yellow,