subway platform -Always crowd
AD poster in transfer terminal
many of them are coulorful and full of information
spring festvial Couplet in subwayspecical chinese way to decurat and celebration
Tv in the platform
sercurity check before go inside the platform
ticket machine
single jorney ticket
you can see the route map on it
present your card
almost every one have there onw card to take the public transpotation in beijing