Ключевые слова: aeroplane, aircraft, airline, airplane, airport, alphabet, aviation, baggage, ban, block, border, business, check, concept, control, coronavirus, country, covid19, cube, departure, epidemic, flight, flu, fly, global, health, journey, mask, outbreak, pandemic, passenger, plane, prevention, prohibition, protection, quarantine, restriction, rule, safety, terminal, tourism, tourist, transport, transportation, travel, trip, virus, wearing, wooden, word,