A Chinese paramilitary police officer secures the front gate of the Forbidden City in Beijing on September 28, 2017. 
China will convene its 19th Party Congress on October 18, state media said, a key meeting held every five years where President Xi Jinping is expected to receive a second term as the ruling Communist Partys top leader. / AFP PHOTO / NICOLAS ASFOURI        (Photo credit should read NICOLAS ASFOURI/AFP/Getty Images)

'Chess in an impenetrable black box': Who really holds the power in China?

Updated 9:38 PM ET, Mon October 9, 2017