Ключевые слова: 2019, abstract, air, aircraft, airplane, airport, art, aviation, background, business, celebration, christmas, cloud, clouds, contrail, creativity, event, flight, fly, future, greeting, happy, holiday, ideas, inspiration, jet, journey, line, message, nature, new, party, person, plane, sign, sky, steam, summer, sun, symbol, traces, train, transportation, travel, trip, vacation, vapor, white, winter, year,