機器
apartment
architecture
boom
build
business
city
complex
construction
construction site
contractor
crane
crane construction
crane hook
developing
development
engineering
estate
exterior
growth
heavy
high
housebuilding
industrial
industry
machinery
mechanical
metal
orange
outdoor
project
property
residence
scenic
site
sky
steel
structure
sun
sunlight
sunny
technology
tower
tower crane
unfinished
urban
work