英文關鍵字
architecture
background
building
business
bustle
city
climb
climbing
construction
design
direction
electric
elevator
empty
escalator
floor
glass
handrail
haste
inside
interior
light
mechanical
metal
modern
motion
move
movement
moving
path
pedestrian
perspective
shopping
staircase
stairs
stairway
station
steel
steps
subway
technology
train
transport
transportation
upwards
urban
walk
walkway