英文關鍵字
abstract
automobile
autonomous
background
blue
blur
blurry
building
business
busy
california
car
cars
city
commuting
district
evening
fast
growth
illuminated
light
lights
man
metropolis
modern
motion
network
night
pedestrians
people
person
police
road
shadow
siren
speed
states
street
technology
time
timelapse
traffic
transportation
travel
urban
vehicle