Ключевые слова: aeroplane, air, air pollution, aircraft, airline, airliner, airplane, atmosphere, aviation, background, blue, business, clear, clear sky, cloud, commercial, concept, condensation, condensation trail, copy space, day, engine, fast, flight, fly, flying, free, high, horizontal, in a row, international, jet, journey, line, liner, modern, move, passenger, plane, pollution, sky, smoke, speed, trace, trail, transport, transportation, travel, trip, white,