Ключевые слова: abstract, aeroplane, air, air traffic, aircraft, airliner, airplane, atmosphere, aviation, background, blue, blue sky, clear, condensation, contrail, fast, fleeing, flight, fly, fly over, high, high season, jet, journey, line, many, motion, plane, silhouette, sky, skyscape, speed, spread, stop, threat, tourism, trace, track, trail, transport, travel, vacation, vapor, weather, white, wings,