Ключевые слова: air, animal, animals, atmosphere, autumn, avian, background, beautiful, bird, birds, black, blue, bright, brightly, clear, color, concept, day, environment, flight, flock, fly, flying, freedom, fresh, high, holiday, holidays, meteorology, migratory, natural, nature, outdoor, outdoors, oxygen, ozone, pattern, patterns, peace, sky, space, spring, summer, sunlight, view, weather, wedge, wild, wildlife,