Chinese swimmer Sun Yang, the 1500-meter freestyle world record holder, is seen after a training session in Rio de Janeiro's Olympic Aquatics Stadium in Brazil on July 31, 2016, as the team prepares for the upcoming Rio Games. [Photo/Xinhua]
2016年7月31日，1500米自由泳世界紀錄的保持者孫楊在一次訓練后露面。當天，中國游泳隊在里約奧林匹克水上項目體育館為里約奧運會做準備。