英文關鍵字
abstract
access
action
activity
architecture
blur
blurry
building
busy
city
construction
crossing
crowd
crowded
daily
downtown
exit
fast
group
hour
hurry
life
metro
metropolis
modern
motion
movement
moving
people
public
rush
scene
stair
staircase
stairway
station
steps
street
structure
subway
top
traffic
transport
transportation
undeground
urban
walk
walking
walkway
work