In this Tuesday, August 2, 2016 photo released by Xinhua News Agency, people stand on a platform as the Transit Elevated Bus TEB-1 conducting a test run after it unveiled in Qinhuangdao, north China's Hebei Province. The 72-feet long and 25-feet wide Transit Elevated Bus (TEB) powered by electricity can carry more than hundreds passengers, is designed to go over the normal traffic to help ease traffic congestion without having to dig new tunnels or build elevated rail tracks. (Photo by Luo Xiaoguang/Xinhua via AP Photo)

Passengers board children through the window of a bus as Telangana State Road Transport Corporation (TSRTC) resumed bus services after the government eased a nationwide lockdown imposed as a preventive measure against the COVID-19 coronavirus, at Jubilee Bus Station (JBS) in Secunderabad, the twin city of Hyderabad on May 20, 2020. (Photo by Noah Seelam/AFP Photo)

Members of the Royal Navy respond to a simulated fire in a Vanguard-class submarine control room training facility at Clyde naval base in Faslane, Scotland on January 21, 2016. (Photo by Photograph: Danny Lawson/PA Wire)

A worker fills a public bus with diesel as the bus driver and passengers look on, at a fuel station in Kolkata, India, February 1, 2017. (Photo by Rupak De Chowdhuri/Reuters)

People board a passenger bus during rush hour at a bus terminal, amidst the coronavirus disease (COVID-19) outbreak, in Mumbai, India, September 9, 2020. (Photo by Niharika Kulkarni/Reuters)

Iranian visitors practice shooting with shooting simulators made in Iran at a police shooting simulation booth at the 19th International Police Security and Safety Equipment Exhibition (IPAS 2022) at the grand Mosalla mosque in Tehran, Iran, on October 20, 2022. (Photo by Rouzbeh Fouladi/Avalon)

Culinary Specialist 2nd Class Jaqueline Rodriguez subdues a simulated suspect after being sprayed with oleoresin capsicum (OC) spray during security training aboard the amphibious dock landing ship USS Comstock (LSD 45). (U.S. Navy photo by Mass Communication Specialist 2nd Class Joseph M. Buliavac/Released). May 10, 2011

The Jet Propulsion Lab team's RoboSimian robot turns on a valve at a simulated disaster-response course during day one of the Defense Advanced Research Projects Agency (DARPA) Robotics Challenge finals in Pomona, California, June 5, 2015. (Photo by David McNew/Reuters)