WHY TUNNELS COULD BUILD TOMORROW’S CITIES

Summary from the TLDR newsletter

This article looks at the evolution of the tunneling industry and current opportunities for disruption. Instead of complaining when stuck in LA traffic, Elon Musk thought downwards and wondered why the hundreds of meters of real estate underground were unused. A lot of infrastructure for public transport globally is already built underground. Building underground could help humans deal with weather issues and provide much-needed room for human population growth.