HO CHI MINH CITY -- The Vietnamese capital of Hanoi on Thursday began commercial service on part of the the city's second metro rail line after nine years of delays.
Elevated portion now in service with work ongoing for underground section

A train on the newly opened Hanoi Metro Line 3 sits at Cau Giay Station in the Vietnamese capital. (Photo by Nguyen Van Anh)
HO CHI MINH CITY -- The Vietnamese capital of Hanoi on Thursday began commercial service on part of the the city's second metro rail line after nine years of delays.