Elon Musk, co-founder and chief executive officer of Tesla Inc., arrives in a modified Tesla Model X electric vehicle during an unveiling event for the Boring Company Hawthorne test tunnel in Hawthorne, California, U.S., Dec. 18, 2018. Musk unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tube — the tech entrepreneur's answer to what he calls "soul-destroying traffic." (Photo/Agencies)
Elon Musk, co-founder and chief executive officer of Tesla Inc., walks into the crowd during an unveiling event for the Boring Company Hawthorne test tunnel in Hawthorne, California, U.S., Dec. 18, 2018. Musk unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tube — the tech entrepreneur's answer to what he calls "soul-destroying traffic." (Photo/Agencies)
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, California, U.S., Dec. 18, 2018. Musk unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tube — the tech entrepreneur's answer to what he calls "soul-destroying traffic." (Photo/Agencies)