英文關鍵字
architecture
background
block
blue
build
buildings
business
cement
city
concrete
crane
cranes
development
district
engineering
equipment
frame
glass
growth
heavy
high
highrise
house
industrial
industry
labor
lift
machine
material
metal
modern
office
project
rise
scaffold
scaffolding
site
sky
skyline
skyscraper
steel
stone
structure
tall
tower
travel
urban
windows
work