Volunteers hold up signs for different tour groups visiting the "Five Years of Sheer Endeavor" show at the Beijing Exhibition Center in Beijing, China, on Tuesday, Oct. 17, 2017. President Xi Jinping is expected to emerge from the twice-a-decade Chinese Communist Partys congress that starts Wednesday as the most powerful figure in Chinese politics since Mao Zedong. Photographer: Qilai Shen/Bloomberg via Getty Images
