Unsupported browser

For a better experience, please update your browser to its latest version.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more


Diaphragm walls: Paris’ grand vision

By 2030 Paris will have added 200km to its metro network through the Grand Paris Express project. GE visited one of the largest shafts on the scheme.