A labourer rests during a lunch break at the Hudong-Zhonghua Shipbuilding company's shipyard in Shanghai in this October 14, 2013 file photo. China aims to lay off 5-6 million workers from “zombie enterprises” over the next two to three years as part of efforts to curb industrial overcapacity and pollution, two sources with ties to the country's leadership said. (Photo by Carlos Barria/Reuters)
