英文關鍵字
adult
airport
automatic
city
climb
down
electric
elevator
escalator
female
girl
hands
indoor
inside
interior
journey
legs
lift
mall
motion
move
movement
moving
one
person
public
ride
smartphone
stair
staircase
stairway
standing
station
steel
steps
subway
technology
teen
terminal
transport
transportation
travel
travelling
underground
urban
view
woman
young