Students from Nigeria practice acrobatics in Wuqiao county, North China's Hebei province, May 20, 2013. Eight Nigerian students, 14 to 18 years old, began a one-year training course at a local acrobat school, where more than 300 African students have been studying since 2002. Wuqiao county is known as the "home of acrobatics" with more than 1,500 acrobats and 60 troupes. [Photo/Xinhua]