Ключевые слова: aeroplane, air, aircraft, airliner, airplane, atmosphere, aviation, blue, carbon, carbon footprint, clear, climate, climate protection, condensation, condensation trail, condensation trails, energy, fast, fly, flying shame, four engined, heaven, height, high, high technology, jet, jet stream, motion, passengers, plane, power, silhouette, sky, smoke, speed, trace, trail, transport, transportation, travel, two engines aircraft, vapour, vehicle, view, weather, white, wing,