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"Entrepreneurs usually suffer from suboptimal health, so practising tai chi can help improve mental and physical health," said Huang.

"Do the math. That's 5 million crashes every year－20 percent reduction means 1 million less. Those are big numbers," Mark Rosekind, the NHTSA's then-administrator, told Reuters last year.

"Due to the influence of cold air from the west, atmospheric conditions to diffuse pollution in northern parts, including the Beijing-Tianjin-Hebei province cluster and the Fenhe-Weihe Plain region, will not worsen and will stay the same as the past five-year average," Jia Xiaolong, deputy head of the center, told a news conference on Wednesday.

"Every Friday, I come to the Chinese corner, and they have presentations about different topics of China, like Chinese food, Chinese wedding habits, Chinese music and so on," he said. "The more you know about the culture, the better you understand people."

"Drawing skill is not necessary for painters. But what they paint must come from the Dong ethnic group people's life."