Ключевые слова: 19, airplane, airport, ban, borders, bring, closed, compulsory, control, corona, coronavirus, covid, covid19, destination, europe, face, flight, flying, going, holiday, holidays, hong kong, insurance, leaving, lockdown, luggage, mask, masks, medical, obligatory, passenger, passport, reopen, reopening, restriction, suitcase, summer, surgical, ticket, tourism, tourist, tourists, travel, travelers, travellers, trip, vacation, virus, wearing,