In 2020, Pakistan launched its first-ever metro train service in the city of _____?

In 2020, Pakistan launched its first-ever metro train service in the city of _____?

سن 2020 میں ، پاکستان نے _____ شہر میں اپنی پہلی میٹرو ٹرین سروس کا آغاز کیا؟
Explanation

Pakistan's first metro train, Orange Line, was launched in Lahore in 2020.

It is a 27 km (17-mile) rapid transit system.

Inaugurated on October 25, 2020.

Built with Chinese collaboration.

Inaugurated by Punjab CM Sardar Usman Buzdar.