英文關鍵字
architecture
area
blue
buildings
business
carry
cement
city
clouds
concrete
construction
crane
day
development
engineering
equipment
estate
forequarters
frame
high
hoist
house
industry
joint
lift
mass
modern
monolith
monument
moscow
motion
outdoor
place
progress
rise
russia
scaffold
site
sky
solid
stone
structures
summer
tall
upward
urban
work