英文關鍵字
adventure
amtrak
background
barrier
car
city
commercial
countryside
crossing
day
drive
exposure
fascinating
fast
gate
grass
industrial
industry
journey
landscape
metal
motion
outdoors
passenger
passes
passing
rail
railroad
railway
road
see
sign
signal
speed
station
stop
technology
time
tour
track
traffic
train
trains
transport
transportation
travel
travelling
tree
trip
urban
vehicle
voyage
warning
way
world