英文關鍵字
arrival
arrive
blue
boarding
capital
carriages
city
coaches
crowd
departure
doors
going
inside
line
metro
metropolitan
mind
modern
motion
moving
passengers
people
platform
public
rail
railroad
railway
russian
speed
station
subway
timelapse
tourism
tourist
track
traffic
train
transit
transport
transportation
travel
tube
underground
urban
wagon
wait
waiting
work
workers