Date of Birth: 
Place of Birth: Suzhou, Jiangsu, China
About Cai Yun
- Cai Yun (born January 19, 1980 in Suzhou, Jiangsu) is a former professional badminton player representing China.
- He is the 2012 London Olympic gold medallist and a four-time World Champion in men's doubles.
- He is regarded as one of the greatest men's doubles player in his era.
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