China's 19-year-old Go player Ke Jie (L) prepares to make a move during the first match against Google's artificial intelligence programme AlphaGo in Wuzhen, east China's Zhejiang province on May 23, 2017. It's man vs machine this week from May 23 to 27 as Google's artificial intelligence programme AlphaGo faces the world's top-ranked Go player in a contest expected to end in another victory for rapid advances in AI. / AFP PHOTO / STR / China OUT (Photo credit should read STR/AFP/Getty Images)
