Construction tower crane against the blue sky.
Palabras clave
construction,
tower,
crane,
blue,
sky,
building,
tower block,
site,
equipment,
heavy,
machinery,
industry,
urban,
skyline,
men at work,
development,
progress,
urbanisation,
engineering,
project,
lifting,
steel,
concrete,
material,
infrastructure,
technology,
company,
safety,
architecture,
operator,
management,
boom,
process,
arm,
labor,
job,
commercial,
industrial,
material,
supply
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