A boy grimaces at other pupils during Latin dance course at No. 44 Primary School of Urumchi, capital of northwest China's Xinjiang Uygur Autonomous Region, March 3, 2011. Ninety percent of pupils studying at the school are from migrant families originally living in Heijiashan, an area of squatter settlement in Urumchi. As the city sped up the reconstruction of the squatter settlement areas, children are able to have class in the newly-built school and take training courses like dancing free of charge according to their personal interests. [Xinhua/Jiang Wenyao]