英文關鍵字
traffic
pedestrian
city
road
street
transportation
urban
movement
car
highway
light
travel
way
crossing
intersection
people
unregulated
ride
walk
abstract
background
cars
drive
truck
busy
crossroad
crosswalk
junction
pedestrians
sidewalk
accidents
all
directions
endless
exciting
hypnotic
incidents
motorcyclists
no
smoothly
stops
them
virtually
asphalt
sign
speed
symbol
aerial
architecture
building