Ключевые слова: adventure, ancient, architecture, asia, background, bridge, business, capital, construction, culture, discovery, engineering, hanoi, history, infinity, iron, journey, landmark, landscape, lifestyle, line, long bien, metal, old, outdoor, pattern, perspective, rail, railroad, railway, river, road, rusty, saigon, steel, street, structure, summer, tourism, town, track, train, transport, transportation, travel, urban, vietnam, view, vintage, way,