Chinese President Xi Jinping, presents a tree to the Global Innovation Exchange, a partnership established jointly by the University of Washington and Tsinghua University, in Redmond, Washington September 23, 2015. (Photo/Xinhua)
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Chinese President Xi Jinping, presents a tree to the Global Innovation Exchange, a partnership established jointly by the University of Washington and Tsinghua University, in Redmond, Washington September 23, 2015. (Photo/Xinhua)
