Elon Musk, co-founder and chief executive officer of Tesla Inc., speaks during an unveiling event for the Boring Co. Hawthorne test tunnel in Hawthorne, Calif., on Tuesday, December 18, 2018. Musk has unveiled his underground transportation tunnel, allowing invited guests to take some of the first rides ever on the tech entrepreneur's solution to “soul-destroying traffic”. (Photo by Robyn Beck/Pool Photo via AP Photo)
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