Ключевые слова: ancient, architectural, architecture, asia, asian, brick, bridge, building, castle, central, chinese, citadel, city, cultural, culture, destination, east, emperor, famous, forbidden, fort, gate, heritage, historic, historical, history, hue, imperial, indochina, lake, landmark, majestic, national, old, outdoors, palace, place, site, temple, tourism, tower, traditional, travel, trees, vietnam, vietnamese, war, watch, world,