A labourer welds a steel frame at a residential construction site in Hefei, Anhui province July 15, 2013. [Photo/Agencies]

The head of a dummy is picked up from floating garbage on Yangtze River in the upper reaches of Three Gorges Dam, in Yichang, Central 皇冠体育app's Hubei province on July 15, 2013. The garbage was brought by seasonal flooding, overwhelming the local cleanup crews and creating massive floating-trash zones on Yangtze River.[Photo by Liujunfeng/Asianewsphoto]