Add Yahoo as a preferred source to see more of our stories on Google. 00 longest tunnels opener laerda Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they ...

The Zojila tunnel project has achieved a major breakthrough completing more than 13 kilometres of excavation work. Once ...

What is the Zojila Tunnel, where is it located, how can you reach it from Manali, and what attractions lie nearby? Here’s ...

The Zojila Tunnel project reached a defining milestone on Tuesday (9 June) with the successful breakthrough of its main ...

Penetrating seawater carries bacteria that form colonies – biofilm. The bacteria attack the concrete that is supposed to prevent stones from loosening from the tunnel walls. The concrete becomes ...