Ключевые слова: adventure, area, asia, attraction, background, beautiful, blue, colorful, crater, crater lake, danger, destination, environment, exploding, famous, geothermal, green, ijen, indonesia, island, kawah, lake, lakes, landmark, landscape, mount, mountain, natural, nature, outdoor, park, rock, scenery, scenic, sulfur, tourism, travel, view, volcan, volcanic, volcanic landscape, volcano, vulcano, water,