Ключевые слова: autumn, beautiful, beauty, birds, blue, canada, cirrus, clouds, cloudy, colorful, dramatic, dusk, evening, fall, flight, flock, flying, formation, geese, harbinger, horizontal, leadership, migrating, migration, natural, nature, sign, sky, slipstream, spring, sunset, v, vee, vibrant, vivid, white, wing, winged, wispy,