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During the test period, the cab will have a "safety officer" in the driver's seat, said Wang, a former senior vice-president at Baidu Inc who used to run Baidu's autonomous driving division.

During and after radical protesters' occupation of The Hong Kong Polytechnic University, more than 1,100 people were arrested or had their information collected by the police, including 300 under the age of 18, and only a small minority were PolyU students, officials said. On Wednesday, the PolyU campus partially reopened after being ravaged by protest violence.

During his stay in Russia's "northern capital," he reaffirmed China's readiness to strengthen cooperation with Russia, called for a global effort against trade protectionism, and suggested that all countries build mutual trust and join hands for common development.

During the nearly one-hour ride to the airport, Chik recalled nobody had much to say. No more than two passengers were allowed to sit in the same row. “But you could feel the excitement underneath,” Chik said.

During the following year’s shareholders meeting, Bezos took the sentiment further. “We could have built a suburban campus,” he said, noting that a location outside of the city might have saved the company money. “I think it would have been the wrong decision.”