April 10, 2017, Shandong, Qingdao, 2017 National Swimming Championships, Sun Yang won the 400 meter freestyle. The men's 400 meter freestyle final, Sun Yang to 3 points 42 seconds 16 won the championship, to create the best season, it is worth mentioning that this result is very good, not only beyond the achievement in Kazan won the world championships in Sun Yang, and out of the world's first good results in the new season. In the end, Sun Yang to 3 minutes and 42 seconds into the 16...