Sun Yang arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Xinhua)

Ye Shiwen arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Xinhua)

Jiao Liuyang arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Xinhua)

Sun Yang receives interviews at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

Sun Yang signs autograph for reporters at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

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Sun Yang and Ye Shiwen arrive at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

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Sun Yang and Ye Shiwen arrive at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

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Sun Yang and Ye Shiwen arrive at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

Sun Yang leaves London. (Source: xinhuanet.com)

Sun Yang leaves London. (Source: xinhuanet.com)

Sun Yang leaves London. (Source: xinhuanet.com)

Ye Shiwen arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

Ye Shiwen arrives at Beijing airport Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

Ye Shiwen arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)

Ye Shiwen arrives at Beijing airport. Chinese swimming team, who won five gold medals at the London Olympic Games, received a hero's welcome as they arrived at the Beijing airport Aug. 6, 2012. (Source: xinhuanet.com)