英文關鍵字
atrium
architecture
bend
built
busy
business
ceiling
center
circumference
city
construction
elevators
curve
floor
glass
hall
hallway
indoor
inside
lamp
lift
light
metal
metallic
modern
moscow
moving
northern
passage
public
roof
small
shaft
stair
staircase
stairway
steel
structure
two
transportation
turn
tower
urban
walkway
window
time
lapse
timelapse