英文關鍵字
alpine
alps
beautiful
blur
carry
coaches
color
engine
europe
european
express
famous
forest
glacier
gornergratbahn
horizontal
journey
landscape
locomotive
machine
motion
mountain
movement
moving
nature
norway
rail
railroad
railway
red
rural
scenic
speed
steel
sunlight
swiss
switzerland
tirano
tour
tourism
tourist
track
train
transit
transport
transportation
travel
tree
trip
white