(FILES) This file photo taken on August 8, 2016 shows China's Sun Yang posing with his gold medal on the podium after he won the men's 200m freestyle final during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro. China are missing banned superstar Sun Yang but they will take a record team to Tokyo seeking a strong showing with their own Olympics just months away.	photo: AFP 