Ключевые слова: ancient, architecture, asia, asian, bridge, building, capital, chinese, citadel, city, complex, culture, emperor, empire, enclosure, entrance, forbidden, fort, gate, heritage, historic, historical, history, hong thnh, hu, hue, imperial, imperial city, kinh thnh, lake, landmark, meridian gate, moat, monument, old, palace, roof, royal, site, style, temple, tourism, traditional, travel, unesco, vietnam, vietnamese, wall, walled, water,