英文關鍵字
architecture
automobile
background
building
car
cars
china
city
cityscape
control
cross
crossroad
direction
downtown
drive
driveway
driving
electronic
green
highway
hong
hongkong
illuminated
intersection
kong
landscape
light
motion
movement
moving
pedestrian
red
regulate
road
route
safety
scene
sign
signal
speed
stop
street
town
traffic
transport
transportation
urban
yellow