Ключевые слова: background, background material, black back, black background, chill, circumstance, cloud, cloud sea, cold, cold air, cold storage, cool air, dry ice, emptiness, fog, fogu, haze, landscape, material, mist, misty, paulownia tomentosa, refrigerator, scenery, sea of clouds, setting, sky, smoke, sumoku, texture, textured, view,