Ключевые слова: activity, air, aircraft, airliner, airplane, airport, aviation, beijing, building, business, busy, car, city, clouds, cloudyskybackground, commercial, communication, control, dusk, flight, flying, holiday, illuminated, international, jet, journey, night, outdoors, parking, people, plane, road, runway, sky, stationary, sunriseandsunset, sunset, technology, terminal, tourism, tourismconcept, touristicon, tower, traffic, transport, transportation, travel, unitedstatesofamerica, view, window,