Structure of steel for building construction on sky background.
Schlüsselwörter
support,
men at work,
environment,
apartment,
working,
strong,
parallel,
crane,
concrete,
galvanised,
commercial,
steelwork,
assembly,
architect,
pattern,
tower,
structural,
engineer,
steel,
construction,
industry,
building,
sky,
structure,
architecture,
background,
metal,
blue,
industrial,
exterior,
site,
frame,
modern,
design,
material,
iron,
high,
roof,
engineering,
house,
technology,
new,
framework,
business,
skyscraper,
city,
development,
project
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