英文關鍵字
asia
away
billboard
carriage
china
commuter
door
fast
fence
glass
guangdong
guangzhou
indoor
inside
journey
lamp
light
line
man
map
metro
motion
passengers
platform
public
rail
railroad
railway
ride
simmering
speed
staircase
stairs
station
subway
tourism
train
transit
transport
transportation
travel
tube
tunnel
underground
vehicle
voyage
wagon
wall
window
woman