File photo taken on September 20, 2018 shows an experimental operating scene of Vietnam’s first urban railroad in Hanoi, Vietnam. (Xinhua / Ngo Minh Tien) by Tao Jun, Bui Long HANOI, Nov. 30 (Xinhua) – An elevated train quietly and swiftly traversed the first multi-level junction in the Vietnamese capital Hanoi, while below, a plethora […]