2016 Rio Olympics - Artistic Gymnastics - Final - Women's Floor Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. Wang Yan (CHN) of China competes. REUTERS/Mike Blake

2016 Rio Olympics - Badminton - Women's Doubles Semifinals - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 16/08/2016. Christinna Pedersen (DEN) of Denmark and Kamilla Rytter Juhl (DEN) of Denmark celebrate after winning their match against Tang Yuanting (CHN) of China and Yu Yang (CHN) of China. REUTERS/Marcelo del Pozo

2016 Rio Olympics - Diving - Final - Men's Synchronised 3m Springboard - Maria Lenk Aquatics Centre - Rio de Janeiro, Brazil - 10/08/2016. Cao Yuan (CHN) and Qin Kai (CHN) of China compete. REUTERS/Antonio Bronic

2016 Rio Olympics - Swimming - Preliminary - Men's 1500m Freestyle - Heats - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 12/08/2016. competes. Sun Yang (CHN) of China reacts. REUTERS/Stefan Wermuth

2016 Rio Olympics - Badminton - Mixed Doubles Semifinals - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 15/08/2016. Zhang Nan (CHN) of China sits on the court as Zhao Yunlei (CHN) of China touches him on the shoulder during their match against Tontowi Ahmad (INA) of Indonesia and Liliyana Natsir (INA) of Indonesia. REUTERS/Jeremy Lee

China's Yi Siling holds up her gold medal, the first of the 2012 London Olympics, at the victory ceremony after the women's 10m air rifle final competition at the London 2012 Olympic Games in the Royal Artillery Barracks at Woolwich in London July 28, 2012. REUTERS/Kai Pfaffenbach

2016 Rio Olympics - Shooting - Preliminary - Women's 10m Air Rifle Qualification - Olympic Shooting Centre - Rio de Janeiro, Brazil - 06/08/2016. Yi Siling (CHN) of China (PRC) reacts. REUTERS/Jeremy Lee

2016 Rio Olympics - Shooting - Victory Ceremony - Women's 50m Rifle 3 Positions Victory Ceremony - Olympic Shooting Centre - Rio de Janeiro, Brazil - 11/08/2016. Du Li (CHN) of China pose with her bronze medal. REUTERS/Edgard Garrido