High-rise construction crane with a long blue boom against the blue clear sky. Vertical
Schlüsselwörter
sky,
tower,
business,
crane,
blue,
construction,
blue skies,
architecture,
city,
development,
lift,
machine,
machinery,
steel,
arrow,
build,
frame,
high,
industrial,
work,
industry,
technology,
urban,
concrete,
house,
metal,
building,
boom,
engineering,
estate,
heavy,
lifting,
site,
structure,
tall,
hook,
modern,
equipment,
background,
engineer,
load,
silhouette,
transportation,
long,
erect,
activity,
construction industry,
hoist,
object
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