Underground tunnel construction site

1920 × 1278

Tunnel construction in progress

1920 × 1200

Tunnel construction site

1600 × 1200

Tunnel boring machine in operation

1600 × 900

Workers on the Brooklyn Bridge

1280 × 1140

tunnel under construction

3840 × 2400

tunnel construction interior

3840 × 2160

underground industrial facility

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Concrete Tunnel Interior — Black, Dramatic, Photograph

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concrete tunnel interior

1920 × 1080

concrete tunnel interior

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Construction workers in tunnel

1920 × 1278