Ключевые слова: air, animal, atmosphere, background, bird, blue, clear, concept, dominate, eco, ecology, elegance, environment, expanse, feather, flight, fly, flying, free, freedom, grace, high, horizon, ideas, letter, mail, nature, news, one, positive, purity, river, seagull, serene, serenity, sky, symbol, tranquil, up, white, wildlife, wind, wings,