A teacher demonstrates first-aid skills to a group of students at a primary school during a campaign to promote safety awareness in Nanjing, East China's Jiangsu Province, July 2, 2007.

A firefighter carries an "injured" student during an emergency drill at a primary school in Nanjing, East China's Jiangsu Province, July 2, 2007. The drill was part of a campaign to promote safety awareness among students.

A firefighter climbs the ladder to rescue a boy from a building during an emergency drill to promote safety awareness among students at a primary school in Nanjing, East China's Jiangsu Province, July 2, 2007.

Students watch a signboard telling safety knowledge at a primary school during a campaign to promote safety awareness in Nanjing, East China's Jiangsu Province, July 2, 2007.

(Newsphoto July 4, 2007)