photo · MDI-CCAF91C3479B
Four workers inspect a large concrete tunnel under construction
Four construction workers wearing safety vests and hard hats walk inside a large concrete tunnel under construction in the, Bertha, drilling, USA.
- Contributor
- pete saloutos
- Dimensions
- 5,400 × 3,600 px
- Orientation
- landscape
- Location
- USA
- License
- Royalty Free
Keywords
- four
- workers
- inspect
- large
- concrete
- tunnel
- under
- construction
- wearing
- safety
- vests
- hard
- hats
- walk
- bertha
- drilling
- usa
- safety vests
- hard hats
- underground
- pipes
- engineering
- infrastructure
- industrial
- utility tunnel
- work site
- large scale
- civil engineering
- progress
- inspection
- large pipes
- ventilation ducts
- urban development
- industrial workers
- safety equipment
- modern infrastructure
- industrial lighting
- metal hooks
- steel pipes
- long corridor
- people walking
- protective gear
- site inspection
- underground construction
- pipework
- industrial cables
- engineers