Ключевые слова: air, airline, airport, asia, asian, aviation, baggage, bai, boarding, book, business, check, checkin, control, counter, crowd, departure, dublin, flight, gate, group, hanoi, holiday, indoor, interior, international, journey, leg, line, long, luggage, modern, noi, passengers, people, queue, stand, terminal, ticket, tourism, tourist, transport, travel, trip, urban, vacation, vietnam, vietnamese, wait, white,