英文關鍵字
abstract
aerial
architecture
background
big
brown
building
buildings
car
city
cityscape
computer
crowd
door
face
food
front
group
hair
hand
house
large
luggage
man
many
motion
night
old
outdoor
outdoors
people
riding
roof
room
side
sidewalk
sign
sitting
standing
stop
street
tall
tower
train
training
view
walking
window
windows
woman