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Geneva, Switzerland - May 22, 2014: Engineers and workers examinating the construction of piperoof grouting for tunnel construction
Civil engineer with orange reflective safety jacket working in a huge tube at construction site line
Dark dirty abandoned subway tunnel with rusty railway.
Construction work during the building of a highway tunnel in the European Alps.
construction site, industrial, concrete, stone structure. equipment for the production.
[url=http://www.istockphoto.com/search/lightbox/11116736#18bbc827/]\n[IMG]http://i1297.photobucket.com/albums/ag30/001abacus/tunnel.jpg[/IMG]\n[/url]
Construction site tunnel entrance construction, stone construction. equipment for production.
platform runners
Kazbegi, Georgia - 7th july, 2024: aerial view cranes and bridge foundation pillars on construction site of new highway road project built by chinese builders.Avalanche bypass tunnel.Tbillisi - Lars
A highway under construction, including a false tunnel, as seen from above
The railroad of the subway during the final steps of the tunnel construction.
Exit of the tunnel on the railway line
Diggers in round underground tunnel of heating duct with rusty tubes.
Highway tunnel.
Tenerife, Canary islands, Spain - December 16, 2010: Workers and machines working on the construction of a tunnel for a road in the north of the island
tracks in the tunnel\n\nrailway tracks
Thessaloniki, Greece - March 28, 2016: Tunnel Boring Machines at construction site of metro in Thessaloniki going back to work after four years
Civil engineering, industrial development project, tower basement foundation infrastructure, or real estate property investment concept
Construction site of tunnel through mountains of  expressway project in Turkey 2023
Cable tunnel under power plant
Dark dirty abandoned subway tunnel with rusty railway.
Mine/tunnel entrance at night
Inside historic Homer tunnel in Milford sound fiordland of South Island in New Zealand - slow driving through the mountains.
Coal mine underground corridor with support system
Japan Transportation
Pouring concrete cement on the foundation of residential building under construction using a concrete pump truck machine.
Metro tubing tunnel construction
A highway under construction, including a false tunnel, as seen from above
Railway tunnel under construction. Black and white
tractor on a roadwork construction site
Free Images: "bestof:Kammon tunnel construction work.jpg en Construction work of Kammon railway tunnel ja 関� 鉄道トンネルの建設工事の様子� � scanned from p 114 of"
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