Ключевые слова: activity, asia, asian, blue, boiling, color, culture, destination, environment, famous, green, health, heat, historic, hot, hotspring, japan, japanese, kusatsu, lake, landscape, national, nature, onsen, outdoor, park, pool, recreation, rock, sea, season, smoke, spa, spring, steam, stone, thermal, tourist, travel, trip, vacation, warm, water,