Photo taken on April 29, 2019 shows the plant of the Bosch Automotive Product Changsha Co., Ltd. in Changsha, central China's Hunan Province. [Photo by Chen Sihan/Xinhua]
A self-driving car runs on the road during a test drive in Changsha, central China's Hunan Province, April 28, 2019. [Photo by Chen Sihan/Xinhua]