Denver International Airport is allegedly sitting on one. Subterranean tunnels exist as well, patents go back for drilling/boring machines many decades before Boring Company (Musk). It seems there is a push to move portions of humanity underground to shelter from the hellscape they envision the surface to be.
Denver International Airport is allegedly sitting on one. Subterranean tunnels exist as well, patents go back for drilling/boring machines many decades before Boring Company (Musk). It seems there is a push to move portions of humanity underground to shelter from the hellscape they envision the surface to be.