Construction workers walking inside a large tunnel project.
Schlüsselwörter
tunnel,
construction,
men at work,
infrastructure,
engineering,
project,
underground,
excavation,
industrial,
safety,
mining,
development,
civil,
builder,
labourer,
subway,
subway,
excavating,
drilling,
dark,
lighting,
cable,
pipe,
concrete,
structure,
crew,
team,
personnel,
worksite,
site,
path,
track,
rail,
equipment,
heavy,
machinery,
operation,
hard,
labor,
professional,
building,
urban,
modern,
depth,
perspective,
activity,
work
Deutsch
