Two local residents bind the retrieved chemical containers from Songhua River to a tree at the Wukeshu Town in Yushu City, northeast China's Jilin Province, Aug. 2, 2010. Workers have recovered 6,387 chemical barrels and located 684 others stuck on flood-ravaged land along Songhua River of Jilin Province till 4:00 PM Sunday, four days after floods swept them into the waterway, local officials said. [Xinhua]