Ключевые слова: ancient, ancient town, architecture, asia, asian, attraction, attractions, building, capital, central vietnam, city, culture, dynasty, emperor, famous, fortress, historical, history, hue, hue imperial city, imperial, landmark, nguyen, nguyen dynasty, palace, place, sightseeing, south east asia, the citadel, the imperial city, tourism, tourist, town, travel, unesco, viet, vietnam, vietnamese, wall, world heritage site,