Ключевые слова: aeroplane, air, air travel, aircraft, airliner, airplane, aviation, background, blue, clear, clear sky, climate, cloudless, commercial, condensation, contrail, day, diagonal, direction, fast, flight, fly, flying, global, high, jet, jet plane, journey, line, plane, pollution, skies, sky, speed, track, traffic, trail, transport, transportation, travel, vapor, view, white,