Children sing a fire fighting song created by themselves in a kindergarten in Huaiyin District of Jinan, capital of east China's Shandong Province, June 14, 2013. Kindergartens in Huaiyin District held emergent fire fighting drills on Friday, in an aim to improve children and staff's ability to prevent fires, save themselves and cooperate with others. (Xinhua/Zhu Zheng)

　　Children take part in a emergent evacuation drill in a kindergarten in Huaiyin District of Jinan, capital of east China's Shandong Province, June 14, 2013. Kindergartens in Huaiyin District held emergent fire fighting drills on Friday, in an aim to improve children and staff's ability to prevent fires, save themselves and cooperate with others. (Xinhua/Zhu Zheng)

　　Teachers take part in a drill to use fire fighting blanket in a kindergarten in Huaiyin District of Jinan, capital of east China's Shandong Province, June 14, 2013. Kindergartens in Huaiyin District held emergent fire fighting drills on Friday, in an aim to improve children and staff's ability to prevent fires, save themselves and cooperate with others. (Xinhua/Zhu Zheng)

　　Children take part in a emergent evacuation drill using a sliding board in a kindergarten in Huaiyin District of Jinan, capital of east China's Shandong Province, June 14, 2013. Kindergartens in Huaiyin District held emergent fire fighting drills on Friday, in an aim to improve children and staff's ability to prevent fires, save themselves and cooperate with others. (Xinhua/Zhu Zheng)