Ключевые слова: air, angular flight, animal, animals, autumn, autumn hike, background, bird, bird troop, birds, blue, blue sky, clouds, crane, crane birds, crane group, eurasian crane, europe, feather, flight, flight formation, flock, fly, flying, formation, freedom, germany, gray crane, gray cranes, group, gruidae, gruiformes, haze, hazy, in flight, migrating, migration, migration path, migration route, migratory, migratory bird, migratory birds, nature, sky, wild, wildlife, wing, wings,