Photo taken on May 22, 2019, shows a self-driving bus running in Tianjin. Called "Panda," the black-and-white bus is reportedly enhanced by various intelligent technologies. Along with its self-driving feature, it has a palm-vein recognition system, an in-vehicle robot, voice interaction tech, an intelligent emergency escape system and more. [Photo: IC]"

A passenger gets on the AI-based "Panda Bus" by simply scanning his hands over a high-tech reader, in Tianjin on May 22, 2019. [Photo: IC]"

The driver has his hands off the steering wheel on the AI-based autonomous self-driving "Panda Bus" in Tianjin on May 22, 2019. [Photo: IC]"

A passenger buys food at the unmanned retail container installed inside the AI-based "Panda Bus" in Tianjin on May 22, 2019. [Photo: IC]"