Chinese delegation enter the field during the Opening Ceremony of the Rio 2016 Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, August 5, 2016. [Photo by Wei Xiaohao/chinadaily.com.cn]

Chinese delegation enter the field during the Opening Ceremony of the Rio 2016 Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, August 5, 2016.

Flag bearer Sheng Lei of China carries the Chinese flag during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro, Brazil,

Michael Phelps carries the flag of the United States during the opening ceremony for the 2016 Summer Olympics in Rio de Janeiro, Brazil, August 5, 2016.