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At the launch event, Greetbot showcased its capability of offering reception services to people who visit companies and hospitals. The robot is part of a broader product range Cheetah Mobile unveiled on Wednesday night in Beijing, including an accompanying robot for children and a robotic arm that can make coffee.

At press time, police had not taken action against the illegal assembly at the airport.

At the 2019 China Science Fiction Convention in Beijing last week, science fiction authors were treated like rock stars, with hundreds of fans asking for autographs from acclaimed novelists such as Liu Cixin, Chen Qiufan and Taiyo Fujii. The three have authored Three-Body Problem, Waste Tide, and Gene Mapper, in that order.

At present, China operates more than 131,000 kilometers of tracks. That figure includes more than 29,000 km of high-speed rail, two-thirds of the global total.

At the heart of people-to-people exchange are young people, Vice-Premier Liu Yandong said on Thursday.