英文關鍵字
are
asia
asian
asphalt
auto
automobile
automobiles
autos
background
bike
bikes
busy
capital
car
cars
city
cityscape
congestion
crowded
daily
district
downtown
drive
ecosystem
freeway
global
highway
hour
jam
landscape
light
line
many
masses
metropolis
motorcycles
night
peking
people
road
rush
slow
small
stopped
street
stuck
summer
traffic
transport
transportation
travel
urban
vehicle
vietnam
view