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, four engines aircraft, heaven, height, high, high technology, jet, jet stream, motion, passengers, plane, power, silhouette, sky, smoke, speed, trace, trail, transport, transportation, travel, vapour, vehicle, view, weather, white, wing,