A photo taken on May 22, 2019 shows a multi-functional AI-based autonomous driving bus with the features of a giant panda in Tianjin. In addition to its self-driving features, the bus also has a fingerprint recognition system, an in-vehicle robot and an intelligent emergency escape system. (Photos: Xinhua)

An AI-based "Panda Bus" on the road in Tianjin on May 22, 2019.

A passenger swipes his hand through a fingerprint recognition system to buy food on an AI-based "Panda Bus" in Tianjin, May 22, 2019.

A passenger gets on the AI-based "Panda Bus" by scanning his hand over a high-tech reader on May 22, 2019.

A driver operates an AI-based "Panda Bus" with his hands off the wheel on May 22, 2019.

An AI-based "Panda Bus" at a bus station on May 22, 2019.