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Chinese Go player Ke Jie wipes his tears during the third match against artificial intelligence program AlphaGo in Wuzhen, east China's Zhejiang province, May 27, 2017. Ke Jie lost 0-3.(Xinhua/Xu Yu)
Chinese Go player Ke Jie wipes his tears during the third match against artificial intelligence program AlphaGo in Wuzhen, east China's Zhejiang province, May 27, 2017. Ke Jie lost 0-3.(Xinhua/Xu Yu)