There's an entire underground tunnel system so the cast and crew can «time travel» from one place to another. (inc.com)
This starter activity provides a quick, engaging introduction to a lesson, focusing on the link between sewage and the underground tunnel system. (tes.com)
Getting approval for the company's first full tunnel system in a major city may be the Boring Company's biggest hurdle, as being able to prove its ability to successfully build a tunnel network could make other cities less hesitant about the company's plans. (businessinsider.com)