Ключевые слова: ancient, architecture, asia, asian, attraction, beautiful, building, capital, castle, central, citadel, city, cultural, culture, dynasty, emperor, entrance, flag, fort, gate, hanoi, heritage, historical, history, imperial, journey, landmark, long, national, outdoor, palace, royal, sightseeing, site, sky, square, symbol, thang, tourism, tourist, tower, traditional, travel, unesco, viet, vietnam, vietnamese, view, yellow,