Ключевые слова: access, accessibility, architecture, barrier, blue, building, check, china, city, construction, design, door, enter, entrance, entry, exit, floor, futuristic, gate, gateway, granite, hall, hong kong, inside, interior, iron, leave, line, locked, metal, metro, modern, passage, portal, railway, row, station, steel, stile, subway, technology, ticket, transport, transportation, tunnel, turnstile, underground, urban, walk, way,