英文關鍵字
airport
aluminum
architecture
background
building
business
center
city
climb
design
elevator
entrance
escalator
fast
futuristic
glass
indoors
inside
interior
international
light
mall
mechanical
mechanism
metal
metro
modern
motion
move
movement
railing
safety
shopping
speed
staircase
stairway
station
steel
steps
subway
technology
terminal
transport
transportation
travelers
traveling
upwards
urban
walkway