英文關鍵字
abstract
apply
asphalt
background
business
busy
car
city
cross
crossing
crossroads
crosswalk
danger
day
downtown
empty
gray
highway
horizontal
intersection
lifestyle
line
man
marking
motion
outdoor
paint
pattern
pavement
pedestrian
people
road
safety
sidewalk
street
striped
surface
symbol
texture
town
traffic
transport
urban
view
walk
walkway
way
white
workers
zebra