This photo taken on Nov. 27, 2012 shows a playground built on the top of a building in a middle school in Chengxiang District, Putian City, located in southeast China's Fujian Province. The playground includes three basketball courts, two volleyball courts and a 200 meter track. 30 million yuan (US$4.82 million) was spent on this project, and the playground is scheduled to be completed in February, 2013. [Photo/CFP]