Hai Qin, a 12-year-old girl of Hui ethnic group, stretches body during the morning calisthenics of all students on campus, in Kaicheng Town of Guyuan City, northwest China's Ningxia Hui Autonomous Region, October 23, 2009. [Xinhua]

Hai Qin, a 12-year-old girl of Hui ethnic group, reaches out hand to help a classmate crossing a brook en route to school, in Kaicheng Town of Guyuan City, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2009. [Xinhua]