Elon Musk unveils prototype high-speed LA transport tunnel December 18, 2018 at 11:48PMhttps://https://ift.tt/2SZVdi4 The entrepreneur says his system will see modified electric cars travel at high speed underground.

The entrepreneur says his system will see modified electric cars travel at high speed underground.

from BBC News - World https://ift.tt/2S4k1p6