Vessels transfer relief materials in Jiejinkou area of Tongjiang City, northeast China's Heilongjiang Province, Aug. 28, 2013. The Songhuajiang River mingles with the Heilongjiang River at Tongjiang. The water level of Tongjiang section of the Songhuajiang River and the Heilongjiang River reached 56.63 meters and 56.05 meters, exceeding the warning level by 1.73 meters and 2.05 meters respectively. [Photo/Xinhua]