Ключевые слова: abstract, arc, atmosphere, atmospheric, background, beautiful, beauty, blue, bright, circumhorizontal, climate, cloud, cloudscape, day, diffraction, environment, halo, heaven, high, iridescence, iridescent, irisation, landscape, light, natural, nature, outdoor, pearl, phenomenon, pileus, rainbow, rainbows, rare, ray, scenic, shine, sky, space, sun, sunlight, sunny, travel, view, weather, white,