Ma Siqi goes to school in Dongxiang Autonomous County, northwest China's Gansu Province, on November 20, 2009. Ma Siqi, a 10-year-old girl of Dongxiang ethnic group, enjoyed herself with her classmates at school on the Universal Children's Day of November 20. [Xinhua]

Ma Siqi (C) plays a game with her classmates during the class break at Zhongyin Xiwang Primary School, in Dongxiang Autonomous County, northwest China's Gansu Province, on November 20, 2009. [Xinhua]