When you are taking a subway train, do you know what the driving cab looks like and how many drivers there are?

Niu Yalan is a post-90s driver along subway Line One in Lanzhou, capital of Gansu province. After seven years' of learning and training, Niu became one of the six qualified female subway train drivers working on Line One.

Talking about gender difference, Niu said that female drivers are more careful, and their physical and mental ability means they can handle more pressure, the testing nature of shift work and the technical specifics of the post.