Chinese gymnast Fan Yilin acts during a training session at the Rio Olympic Arena in Rio de Janeiro, Brazil, on Aug. 4, 2016. Olympic gymnastics competitions are scheduled to start on Aug. 6. (Xinhua/Zheng Huansong)
Chinese gymnast Fan Yilin acts during a training session at the Rio Olympic Arena in Rio de Janeiro, Brazil, on Aug. 4, 2016. Olympic gymnastics competitions are scheduled to start on Aug. 6. (Xinhua/Zheng Huansong)