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ANCHORAGE, the United States, April 7 (Xinhua) -- Chinese President Xi Jinping met with governor of U.S. state Alaska Bill Walker here on Friday, urging further regional cooperation and hailing it as one of the most dynamic aspects in China-U.S. ties.

The vice premier said deeper problems affecting food safety have not been fundamentally solved and called for stricter management of food safety.

China is keen to see the Middle East countries regain peace and stability and achieve economic prosperity, he said.

While most shared cars have to be picked up and returned to designated stations, EZZY users can leave the cars in any parking lot in urban Beijing.

It estimates that the number of people aged over 60 in China will reach 255 million, 17.8 percent of the country's total population, by 2020.