Ключевые слова: arch, architectural, architecture, archway, asia, built, cam, citadel, city, cultural, culture, dragon, entrance, famous, forbidden, fort, fortress, fragment, gate, gatehouse, guard, heritage, historical, horizontal, hue, imperial, landmark, local, magnificent, majestic, national, nobility, old, oriental, palace, place, purple, reflection, residence, restore, roof, splendid, surrounding, thanh, traditional, vacations, vietnam, vietnamese, wall,