英文關鍵字
adler
architecture
arrival
bag
baggage
behind
construction
contemporary
departing
down
elevator
escalator
europe
human
indoors
journey
life
man
modern
move
passenger
people
person
public
railroad
railway
russia
sochi
staircase
stairs
stairway
station
steps
suitcase
terminal
tourism
train
travel
trip
urban
walk
woman