英文關鍵字
architecture
background
blue
building
car
city
color
concept
danger
dark
direction
downtown
dusk
electricity
evening
fast
green
illuminated
light
lights
motion
movement
night
object
pedestrian
red
regulation
road
safety
sign
signal
speed
stop
stoplight
street
symbol
town
traffic
transport
transportation
travel
turns
twilight
urban
vector
warning
way
yellow