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Beijing has 22 metro lines now, with three newly opened in 2018.
Because of a decrease in domestic pork supplies following African swine fever outbreaks, China will see its pork imports rise rapidly to historical highs over the next two years, according to a report released on Saturday.
Beijing's population has reached more than 21 million, creating urban problems such as traffic congestion and overburdened public resources. The root of these issues lies in the capital taking on too many noncapital functions, He said.
Beijing's downtown area will stage all the ice sports in 2022.
Beijing hosted the Summer Games in 2008. In 2015, it won the bid to co-host the Winter Games with Zhangjiakou in 2022.
来源：资阳报