Ключевые слова: against, air, animal, background, bird, birds, black, blue, cloud, clouds, crow, crowd, crows, day, dove, flight, flock, fly, flying, foot, free, freedom, grey, group, isolated, life, lots, many, mob, motion, movement, natural, nature, nobody, outdoor, outdoors, peaceful, pigeon, pigeons, shape, silhouette, silhouettes, sky, sunset, tranquil, up, white, wild, wildlife, wing,