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Before traveling to other cities, the public is advised to get in touch with officials in their destinations in advance to learn about local disease control policies and make preparations accordingly. Masks and hand sanitizers are also recommended during transit.

Beijing is home to around 240 companies specialized in artificial intelligence, with over 7,800 related patents. Beijing Economic Technological Development Area, which hosted the conference, has about 100 robotics companies.

Behind the study was a team of researchers from the University of California, Berkeley, and the University of California, San Francisco.

Beijing has raised the  basic retirement pension by 5 percent to around 4,157 yuan (0) per person, which will cover 2.57 million people, said the Beijing Municipal Human Resources and Social Security Bureau on Friday. 

Beijing-based tech engineer Yang Xinhao is a regular visitor.