Performers wait backstage during a rehearsal for the opening ceremony of the 15th IAAF World Championships at the National Stadium in Beijing, August 17, 2015. The 15th IAAF Athletics World Championships will be held in Beijing from August 22-30. [Photo/IC]

A volunteer guide the audience before the rehearsal, Aug 17, 2015. [Photo by Wei Xiaohao/Asianewsphoto]

The National Stadium is all set for the championships, August 17, 2015. [Photo by Wei Xiaohao/Asianewsphoto]

Performers wait for a rehearsal for the opening ceremony, August 17, 2015. [Photo by Wei Xiaohao/Asianewsphoto]

Banners of the 15th IAAF World Championships are hung by road in Beijing, Aug 5, 2015. [Photo/IC]

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