英文關鍵字
about
actions
activity
asphalt
bears
business
cage
city
crowd
cultures
defocused
district
fashionable
foot
gesture
group
have
human
leg
life
motion
passed
pavement
pedestrian
people
person
playing
road
scene
shoes
sidewalk
station
street
the
three
time
traffic
travel
traveling
two
unrecognizable
urban
video
walking
word
zoo