Ключевые слова: america, autumn, background, beautiful, blue, california, changing, cloud, clouds, cloudscape, colorful, colors, contrast, dry, fall, fluffy, grass, green, hiking, hills, landscape, light, live, nature, oaks, october, outdoors, park, postcard, puffy, rolling, scenery, scenic, screensaver, sky, sport, state, sunny, tall, trail, trees, valley, vibrant, vivid, wallpaper, warm, weather, white,