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The founder of SpaceX and Tesla companies Ilon Mask revealed the details and showed the work of underground tunnels, which will be used for high-speed trips. According to Business Insider, the tunnels are being developed by the Mask-based Boring Company, which is headed by SpaceX engineer Steve Davis.
Machines will move in tunnels on special platforms that will take cars from the street. The speed of the platforms in the tunnel will exceed 200 kilometers per hour. According to Mask, the underground network of tunnels will consist of 30 "layers".