英文關鍵字
access
asphalt
auto
autobahn
background
boundary
car
concept
construction
country
crossing
drive
empty
entry
europe
fast
field
freedom
green
highway
horizon
infrastructure
journey
landscape
lane
light
line
long
modern
motion
nature
night
nobody
orange
perspective
road
route
sky
speed
street
summer
sun
sunny
sunrise
sunset
town
traffic
transport
transportation
travel
trip
urban
way