Ключевые слова: abstract, air, atmosphere, background, beautiful, beauty, blue, bright, clear, climate, cloud, cloudscape, cloudy, color, day, daylight, environment, freedom, gradient, heaven, high, horizon, indigo, landscape, light, meteorology, moisture, morning, natural, nature, nice, open, outdoor, ozone, scene, scenic, season, sky, space, summer, sunlight, sunny, sunshine, texture, time, tranquil, view, weather, white, wind,