Tunnel project once Europe's largest infrastructure was built under the city of London, England.
Crossrail project which stretches along 118 miles in London and the surrounding areas to be completed in 2018.
A number of workers is preparing an underground tunnel drilling in Crossrail project in London, England. Crossrail infrastructure projects or subway is planned to be built along the 118 km that extends beneath the city of London and surrounding areas.
A number of workers using heavy equipment while drilling underground tunnels in the Crossrail project in London, England. Crossrail construction project that began in 2009 is estimated it will spend 25 billion U.S. dollars.
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