Ключевые слова: air, aircraft, airline, airliner, airplane, aviation, ban, bankruptcy, beautiful, blue, business, cancel, class, clear, cloud, commercial, disease, epidemic, flight, fly, infected, international, jet, journey, luxury, over, passenger, plane, private, problem, quarantine, restriction, russia, russian, sky, speed, stop, sunset, takeoff, tourism, traffic, transport, transportation, travel, trip, turbine, vacation,