2018-12-21, 16:02
Elon Musk launches high-speed underground tunnel
The prototype underground tunnel is designed to transport cars at speeds of up to 150mph.
https://www.bbc.co.uk/news/technology-46622582
The prototype underground tunnel is designed to transport cars at speeds of up to 150mph.
https://www.bbc.co.uk/news/technology-46622582