Gymnasts play and rehearse in a fountain on the second day of the 2011 World Gymnaestrada in Lausanne July 11, 2011. More than 20,000 participants from all over the world will attend group gymnastic performances over seven days at the non-competitive event, taking place every four years. REUTERS/Valentin Flauraud (SWITZERLAND)

- Image ID: 2D0CP3A

Gymnasts play and rehearse in a fountain on the second day of the 2011 World Gymnaestrada in Lausanne July 11, 2011. More than 20,000 participants from all over the world will attend group gymnastic performances over seven days at the non-competitive event, taking place every four years. REUTERS/Valentin Flauraud (SWITZERLAND)

REUTERS / Alamy Stock Photo

Image ID: 2D0CP3A