Ключевые слова: airport, background, blur, bus, city, communication message, community, corona, covic, covid19, crowd, dangerous, destination, distancing, epidemic zone, event, gate, hall, health, keep space, line, luggage, outbreak, pandemic, passenger, people, person, pneumonia, protection, quarantine, queue, railway, respiratory, room, safety, save, social distance, station, terminal, text warning, ticket, tourist, transit, transport, transportation, travel, traveler, unemployment, virus, waiting,