英文關鍵字
above
abstract
accident
aerial
asphalt
background
business
busy
car
care
careless
city
commuter
concept
crossing
crosswalk
crowd
dangerous
day
discipli
discipline
disruption
district
driver
high
intersection
junction
life
light
low
man
motion
movement
not
pavement
pedestrian
people
person
rain
respect
road
rule
safety
sidewalk
sign
stop
street
sun
texture
town
traffic
unruly
urban
view
walk
way
white
zebra