Volunteers dressed as Fuwa, the Beijing Olympic mascots, perform during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Asianewsphoto]

Would-be hostesses at the Olympics and Paralympics' medal ceremonies pose in the uniforms they will wear during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Asianewsphoto]

Would-be Olympic national flag bearers march during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]

Volunteers perform a Miao ethnic group dance during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]
 

 
Volunteers perform a fan dance during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]
 

Volunteers take perform a dance routine during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]
 

 
Members of a professional cheerleading squad perform during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]
 

Volunteers take part in a dance during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]
 

 
A squad of cheerleaders performs during a dress rehearsal at the Beijing Institute of Technology stadium in Beijing, July 20 2008. [Beijing2008.cn]