Video
22:31, 19-Dec-2018
Elon Musk unveiled a low-cost tunnel that he sees as a godsend for city traffic. It's part of billionaire Elon Musk's vision to have an underground network to propel cars at a speed of up to 241 kilometers per hour. The 1.8-kilometer tunnel costs about 10 million U.S. dollars.
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21:39, 22-Dec-2018
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