Fake drivers in China's driverless subway.

The subway system in the Chinese city of Chengdu employs workers who spend all day simply looking out the train windows. Staring at their phones or getting distracted by other matters is strictly forbidden.

In Chengdu's driverless subway, there are "fake drivers" who simply look out the window. They say the presence of an employee in the "cab" helps reduce anxiety for passengers who are still getting used to driverless trains. Plus, in case of an unforeseen situation, the driver can also stop the train—the button is hidden under the panel.