英文關鍵字
active
airport
big
boots
bus
business
busy
city
commuter
down
escalator
exit
feet
female
journey
legs
level
life
male
mall
megalopolis
men
metro
modern
motion
movement
moving
passenger
path
people
public
railway
shoes
shopping
stairs
stairway
station
steps
subway
transport
transportation
travel
trip
underground
up
urban
walk
walking
way
women