Ключевые слова: active, adventure, aerial, autumn, beautiful, blue, clear, crater, day, fall, famous, geological, grass, hallasan, helicopter, high, hike, hiking, hill, island, jeju, korea, korean, lake, landscape, mountain, national, nature, pad, panorama, panoramic, peak, ridge, rock, scenery, sky, south, spring, stone, top, tourism, travel, vacation, view, volcanic, volcano, wide, yellow,