Ключевые слова: abstract, air, background, beautiful, beauty, blue, bright, clear, climate, cloud, clouds, cloudy, color, day, deep, ecology, environment, environmental, freedom, gradient, group, heaven, high, lonely, meteorology, natural, nature, outdoor, peace, pure, religion, scene, scenic, sky, space, summer, textured, tranquil, transparent, vibrant, view, weather, white, wind,