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Apart from its rich industrial resources, Shanghai's quest to become the home of leading AI companies is also largely supported by its access to young talent.

Another reason for the shrinking market at the plaza was the growing online book retail market established by e-commerce giants such as Amazon and Dangdang.

Another key export for Canada is liquefied natural gas (LNG), which will be helped by a planned facility with a Chinese partner, said Graham Shantz, president of the Canada China Business Council.

Another study will explore how the microgravity environment of space affects microorganisms in the gastrointestinal tract.

Apart from their two-day breaks, railway employees are not allowed to ask for leave during the festival period. "When I started working, I thought spending the day away from home was cool. But when I saw thousands of Chinese brave all the difficulties to make it home, I started to miss my family," she said.