Humanoids were the stars at China’s most important annual AI conference in Shanghai this week. The scores of machines on display were by far the most visible symbol yet of China’s surprisingly rapid ascent in a key arena of artificial intelligence. Bloomberg’s Annabelle Droulers takes a look. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http: