英文關鍵字
airport
architecture
building
business
corridor
design
direction
elevator
empty
escalator
escalators
floor
handrail
horizontal
indoor
indoors
inside
interior
lift
metro
modern
motion
move
movement
passage
perspective
public
stair
staircase
stairs
stairway
station
steel
steps
technology
terminal
transit
transport
transportation
urban
walkway
way