HANOI, April 11 (Xinhua) — The soaring popularity of a China-built metro line in the Vietnamese capital of Hanoi was revealed on Tuesday as official figures showed a 262 percent increase in passengers in the first three months this year from a year earlier, Vietnam News Agency reported.
About 2.65 million passengers used the Cat Linh-Ha Dong urban elevated railway in the first quarter, translating into an avera