Escalator taking you down into the underground rail network
The steel gates which open once you swipe your ticket.
The broad and clean corridors connecting different platforms.
The platform with neatly marked arrows telling you where to stand. The read arrows are for people who are waiting to get on. The green one marks a path for those who get down from the train.
Your might also like Shanghai Train Station or Inside of a metro or local train or subway
For railway station interiors and exteriors: