Ключевые слова: air, architecture, cai river, checkin, chrysopogon, destination, famous, foxtail, france, iron bridge, landmark, landscape, life, line, metal, mountain, nha trang, old, outdoor, picture, place, raflis trivialis, rail, railroad, railway, river, steel, summertime, sunny, sway, tourism, tourist, track, traffic, transit, transport, transportation, travel, tree, vietnam, view, virtual,