Ключевые слова: abstract, allegory, animal, background, beautiful, birds, black, concept, day, decoration, duck, flight, flock, fly, formation, freedom, friendship, grace, heaven, heavenly, height, high, landscape, light, meditation, meteorology, migrating, monochrome, nature, ozone, peace, season, seasonal, sign, silhouette, sky, south, spiritual, spring, stork, stratosphere, sunshine, swans, symbol, tranquil, wallpaper, white, wildlife, wings,