Ключевые слова: air, animal, autumn, background, beautiful, beauty, bird, birds, black, blue, cloud, clouds, day, environment, flight, flock, fly, flying, formation, free, freedom, geese, goose, greylag, group, high, many, migrating, migration, migratory, nature, outdoor, silhouette, sky, spring, waterfowl, white, wild, wildlife, wing, wings,