Ключевые слова: 3d, air, aircraft, airline, airplane, airport, arrival, aviation, background, banner, blue, canceled, cancelled, clouds, concept, contagion, coronavirus, covid, covid19, delay, departure, flight, flu, fly, health, healthcare, illustration, international, novel, outbreak, pandemic, passenger, plane, protection, quarantine, risk, safety, sign, sky, spread, terminal, text, transmit, transport, transportation, travel, trip, virus,