英文關鍵字
across
active
asphalt
business
busy
casual
center
city
close
cross
crossing
crosswalk
crowd
day
daytime
downtown
editorial
feet
female
foot
group
hour
human
hurry
legs
life
lifestyle
megalopolis
metropolis
modern
move
outdoor
overpopulation
pavement
pedestrian
people
person
population
public
road
rush
safety
sidewalk
step
street
town
traffic
urban
walk
zebra