Ключевые слова: abstract, air, background, beautiful, blue, bright, cloud, cloudscape, color, colorful, dawn, dramatic, dusk, environment, evening, freedom, horizontal, idyllic, landscape, light, morning, nature, nobody, orange, outdoor, overcast, ozone, scene, sky, space, stratosphere, summer, sunlight, sunrise, sunset, transparent, twilight, weather, white, wind, yellow,