SAN FRANCISCO, May 12, 2016 (Xinhua) -- U.S. and Chinese officials attend the opening ceremony of the ZGC Innovation Center @ Silicon Valley in San Francisco, California, theUnited States, May 11, 2016. The ZGC Innovation Center @ Silicon Valley, which is established by China's Zhongguancun Development Group, opened here on Wednesday. (Xinhua/Ma Dan)
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