英文關鍵字
action
active
activity
athens
background
bag
blurred
blurry
business
businessman
busy
city
commuter
corridor
crossing
crowd
crowded
day
daytime
focus
going
group
hour
hurry
life
lifestyles
men
modern
motion
outdoors
pedestrian
pedestrians
people
person
road
rush
shopping
sidewalk
slow
speed
spring
step
street
suit
together
town
traffic
travel
urban
view
walk
woman
women
worker