英文關鍵字
advanced
airport
architecture
automatic
business
city
climb
contemporary
design
elevator
escalator
fast
get
interior
lift
light
mall
metal
metro
modern
motion
move
moving
office
pedestrian
riding
shift
speed
stair
staircase
stairs
stairway
station
steel
step
steps
subway
technology
transport
transportation
travel
urban
vanishing
walk
way