英文關鍵字
apartment
architecture
background
bilding
blue
brick
built
business
cement
city
concrete
construction
cran
crane
development
dwelling
engineering
equipment
estate
flat
frame
high
highrise
hoist
home
hous
house
housing
houze
industrial
industry
jenny
multistory
project
property
reinforcement
residence
residential
scaffolding
site
sky
skyscraper
steel
structure
technology
tower
urban
work
workplace
yellow