Volunteers display a huge Olympic flag during the Beijing International Long Walk Carnival to mark the 500-day countdown to the Olympic Games, in China's capital Beijing, March 25, 2007. A series of events are happening in Beijing to mark the 500-day countdown to the Beijing Olympics.

  

  

A volunteer performs a traditional fan dance during the Beijing International Long Walk Carnival to mark the 500-day countdown to the Olympic Games, in China's capital Beijing, March 25, 2007. A series of events are happening in Beijing to mark the 500-day countdown to the Beijing Olympics.