Ключевые слова: 2019ncov, air, airport, arrival, austrian, business, canceled, closed, computer, corona, covid, covid19, crisis, departure, device, distance, europe, few, flight, fly, gates, health, indoors, inside, interior, international, less, man, mask, pandemic, passenger, people, person, protection, quiet, room, safety, social distancing, spreading, terminal, tourism, travel, vacation, vienna, virus, visit, waiting, window, woman,