So when his colleague, Kurt Niel, asked him to join a nearby erdstall tunnel mapping expedition last year, Edlinger readily agreed. Erdstall tunnels are mysterious underground passageways ...

And if you look at this newly-published map of Musk’s proposed tunnel routes, you can see that he does intend to change LA’s infrastructure forever. The Boring Company recently published a map ...

The Fehmarnbelt tunnel may not have grabbed the popular imagination in the same way as the Channel Tunnel between Britain and France did more than 30 years ago, but this structure is just as ...