This is the first line metro in Hanoi even Vietnam which officially opened services on 6th November 2021. It is to unlock a ceremony for Hanoi to solve the increasing population yearly, then reduce the traffic jam every single day.

This is the first line metro in Hanoi even Vietnam which officially opened services on 6th November 2021. It is to unlock a ceremony for Hanoi to solve the increasing population yearly, then reduce the traffic jam every single day.
