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Beijing Capital International Airport, China's busiest, handled 100 million passenger trips in 2018, making it the China's No 1 airport. Beijing Capital has been ranked the world's second-busiest airport for nine years, behind Hartsfield-Jackson Atlanta International Airport in the United States.

Beijing will punish such behaviors as not wearing masks when being sick with the flu or not covering one’s mouth and nose when coughing or sneezing in public spaces or eating on the subway. Such behaviors will be treated as uncivilized ones subject to penalties under a new regulation passed by the capital's top legislative body on Friday.

Before the hearing, she first got the litigants' approval to use the platform and taught them to install software on a laptop or download a smartphone application.

Beijing has registered nine bike sharing companies and more than 1.9 million shared bikes as of the end of April. However, active bikes only account for less than 50 percent, according to April statistics.

Beijing's environmental authority has issued an orange alert for smog - its second-highest warning level - with heavy air pollution forecast to persist until Wednesday night.