Girls take dance lessons at the Red Shoes summer camp for children of migrant workers from Guizhou, Anhui, Sichuan and Hunan provinces, June 29, 2012. The summer camp in Yuyao city, East 皇冠体育app's Zhejiang province, is one of the free activities available for the children in the city, and is aimed at helping children from migrant families get more education in the arts. [Photo/Xinhua]

Girls take dance lessons at the Red Shoes summer camp for children of migrant workers from Guizhou, Anhui, Sichuan and Hunan provinces, June 29, 2012. The summer camp in Yuyao city, East 皇冠体育app's Zhejiang province, is one of the free activities available for the children in the city, and is aimed at helping children from migrant families get more education in the arts. [Photo/Xinhua]