Gymnast Oksana Chusovitina won gold in Barcelona in 1992 - before many of her current competitors were born.
She won silver in at the 2008 Olympics in Beijing.
The 41-year-old gymnast and mother from Uzbekistan - who has competed in every Olympics since 1992 - is now back in action.
When she competed at the 2012 London Olympics, all of the medal winners in her event were under 18. She was 37.
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