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"Economic instability leads to political instability, which leads to civil war, riots and political unrest," he said, adding that countries that are already going through hard times economically are more vulnerable to such impact.

"DPRK will [also] shut down a nuclear test site in the country's northern side to prove the vow to suspend nuclear tests," KCNA reported.

"Few people understand that preschool education is more than physical care; it is also emotionally and intellectually demanding," said Liu Qing, a 23-year-old journalist. In 2015, as an intern at a local paper, Liu spent a month working undercover in four Beijing kindergartens to collect first-hand information about early childhood education.

"Due to changes in US policy, the company will no longer be permitted to sail to Cuba effective immediately," Carnival Corp said.

"Cybersecurity in the industrial internet, finance and health care will be our focus next year," said Qi. The government has been making efforts in cybersecurity. For instance, the China Cybersecurity Law has been in effect since June 2017.