The metro line running through districts 1, 2, 9, Binh Thanh and Thu Duc in Ho Chi Minh City and Di An in Binh Duong province is built at a cost of more than US$2.4 billion. |
The Opera House station is 30m under the ground with four basements. |
Nearly 200 workers are executing B2 and B3 basements, around 20m under the ground. |
There are three underground stations – Ben Thanh, Opera House and Ba Son. |
