Participants run during an evacuation drill in Haikou of Hainan Province on July 6, 2011. Children from public schools in the city of Haikou participated in trainings and evacuation drills during a summer camp organized by the Hainan Fire Department.[Photo/Xinhua] 

Participants sing at a summer camp in Haikou of Hainan Province on July 6, 2011. Children from public schools in the city of Haikou participated in trainings and evacuation drills during a summer camp organized by the Hainan Fire Department. [Photo/Xinhua]