英文關鍵字
berlin
metro
subway
train
railway
ubahn
sbahn
wagon
snowy
corona
sunny
weather
station
vehicle
building
capital
city
cityscape
connection
rail
electric
elevated
transport
track
europe
germany
journey
public
transportation
railroad
sunlight
travel
destinations
winter
hd
video
outdoors
snow
cold
urban
light
day
commuting