Ключевые слова: acidic, active volcano, activity, adventure, blue, chemical, choking, clothing, clouds, crater, dangerous, dramatic, editorial, eruption, extreme, geology, gunung, guy, hike, hiking, idzhen, ijen, indonesia, island java, java, lake, landscape, man, morning, mountain, mountains, nature, orange, outdoor, people, poison, poisonous, protective mask, respirator, rock, sky, suffocating, sunset, tourism, tourist, travel, trekking, volcanic, volcanism, volcano,