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"Given the complementary strengths and resources of China Southern Airlines and Qatar Airways, there are opportunities for us to work together and build a long-term relationship in ways that would bring benefits to customers of both airlines," said Akbar Al Baker, chief executive of Qatar Airways.

"Frozen conditions will develop on major expressways in Shandong, Jiangsu, Anhui and Henan provinces, especially those in the northeastern parts of Anhui province and northern Jiangsu province, which will experience longer periods of icy roads due to low temperatures," said Fang Chong, the center's chief forecaster.

"Good sleep is crucial for protecting the brain's neurons," and lack of sleep for long periods can endanger health, she said.

"France is the 20th country where our company is present," he said. "In Paris, our target is to reach 10,000 bikes, and we will soon launch our service in four other French cities."

"Giving the tremendous challenges we face in the global community, our two countries must work together productively in order to build a better world for our citizens and all other citizens around the world," he said.