Ключевые слова: backdrop, background, beautiful, black, blue, bright, cloud, cosmos, eastern, ecology, environment, fantasy, geographical, greatness, heaven, hemisphere, horizon, illustration, imagination, landscape, lifeless, loneliness, looking, majestic, mountain, nature, night, paper, peak, planet, scenery, scenic, science, season, sky, solar, sun, travel, treeless, tropical, universe, waves, world,