Ключевые слова: across, air, aircraft, airline, airplane, aviation, black, blue, clear, cloud, cloudy, condensation, contrail, czech, destination, flight, fly, flying, freedom, full, high, jet, journey, line, moon, moonlight, motion, night, plane, republic, route, serene, sky, smoke, space, stream, trail, transport, transportation, travel, vapor, white, wing,