Ключевые слова: activity, adventure, climbing, crater, equipment, europe, excursion, footwear, freedom, fun, healthy, heaven, helmet, hike, hotly, industry, leisure, mountain, mountain hiking, mountains, move, nature, outburst, outdoor, pyroclastic, recreation, rise, rock, sand, sight, smoke, stones, sulfur, summer, sunset, travel, trekking, vacation, volcano,