Ключевые слова: ancient, architecture, asia, asian, building, capital, castle, citadel, city, complex, culture, da nang, dai noi palace, dynasty, emperor, enclosure, entrance, forbidden, fortress, gate, heritage, historic, historical, history, hue, imperial, landmark, monument, national, nguyen, old, palace, royal, temple, tourism, traditional, travel, unesco, viet, vietnam, vietnamese, view, wall,