TOPSHOT - SpaceX chief Elon Musk (C) poses with students from the the Technical University of Munich (TUM) after their pod won the 2019 SpaceX Hyperloop Pod competition at the SpaceX headquarters in Los Angeles on July 21, 2019. - 21 teams from around the world competed in the event which sees their pods race on the 1.25 kilometer Hyperloop test track. (Photo by Mark RALSTON / AFP)