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Amjad Aref, a professor with the University of Buffalo's Institute of Bridge Engineering, said they should have been "a big red flag.""Bridges are really very vulnerable when they are under construction, when there are just pieces," he said.

Among common chronic diseases, cardiovascular and cerebrovascular diseases have the highest fatality rate in China, accounting for 41 percent of all-cause deaths. China's cardiovascular mortality rate continues to rise, with about 3.5 million deaths per year, or nearly one every 10 seconds .

Amazon’s push for faster shipping has reshaped the retail industry, with many competitors such as Target and Walmart now offering their own free two-day delivery options. Walmart in May?unveiled free one-day delivery on more than 200,000 items with a minimum order threshold of . Best Buy announced its own free next-day delivery offering last month.

Amazon’s fulfillment centers — there are more than 70 across the U.S. and nearly 150 around the world — are a far cry from Amazon’s first warehouse, where a small staff packaged and mailed out books and founder Jeff Bezos had to be prodded to buy packing tables, as he tells the story.

American Airlines Group Inc agreed to buy a 2.68 percent stake in China Southern earlier this year and Delta Air Lines Inc acquired a minority stake in China Eastern Airlines Corp in 2015. Enders announced the aircraft sales at Airbus' Berlin offices after leaving the nearby German Chancellory, where Chancellor Angela Merkel separately detailed new accords with China.