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As of 10 am Friday, all people entering the Chinese mainland from Hong Kong via Shenzhen, Guangdong province, must hold a certificate indicating they have tested negative for the novel coronavirus, and they must also undergo a 14-day medical observation in isolation, according to the latest announcement by the Shenzhen government.

As of April, nonstop flights were operating between China and 45 BRI-related countries and regions, according to the Ministry of Transport. A total of 112 new flight routes have opened since last year to countries and regions involved in the initiative.

As one of the poorest provinces in China, Shanxi had a poverty rate of 5.94 percent by 2016, 1.44 percentage points higher than the national average.

As per his estimates, the abolishment of the seven-day Labor Day holiday since 2008 has caused a loss of 500 billion yuan (.44 billion) in the tourism sector.

As northern China enters into winter heating season, the government has increased efforts to tackle smog, asking steel mills and smelters to halt production to curb pollution. Those measures cooled demand for industrial raw materials.