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A worker tests a driverless bus in Xiong'an, north China's Hebei Province, Dec. 10, 2019. "Unmanned" technologies have brought great convenience to the city life in Xiong'an. (Xinhua/Xing Guangli)
A worker tests a driverless bus in Xiong'an, north China's Hebei Province, Dec. 10, 2019. "Unmanned" technologies have brought great convenience to the city life in Xiong'an. (Xinhua/Xing Guangli)