Participants from a middle school perform during an exercise competition in Shenzhen, South China''s Guangdong Province December 5, 2006. [Newsphoto]

Attendees from prestigious Tsinghua University perfrom during an exercise competition in Shenzhen, South China''s Guangdong Province December 5, 2006. [Newsphoto]

Girls dance during an exercise competition in Shenzhen, South China''s Guangdong Province December 5, 2006. [Newsphoto]

Dancers stage a group performance during an exercise competition in Shenzhen, South China''s Guangdong Province December 5, 2006. [Newsphoto]

Performers stage a group performance during an exercise competition in Shenzhen, South China''s Guangdong Province December 5, 2006. [Newsphoto]