The water level of the Songhua River rises in Jilin City, northeast China's Jilin Province, Aug. 8, 2013. Jilin City has suffered continuous rainfall since Wednesday night, which caused the water level of the Songhua River rises to 188.67 meters in the city. Yellow alert on thunder and blue alert on torrential rain have been released by Jilin provincial meteorological observatory. (Xinhua)

The water level of the Songhua River rises in Jilin City, northeast China's Jilin Province, Aug. 8, 2013. Jilin City has suffered continuous rainfall since Wednesday night, which caused the water level of the Songhua River rises to 188.67 meters in the city. Yellow alert on thunder and blue alert on torrential rain have been released by Jilin provincial meteorological observatory.(Xinhua)

The water level of the Songhua River rises in Jilin City, northeast China's Jilin Province, Aug. 8, 2013. Jilin City has suffered continuous rainfall since Wednesday night, which caused the water level of the Songhua River rises to 188.67 meters in the city. Yellow alert on thunder and blue alert on torrential rain have been released by Jilin provincial meteorological observatory. (Xinhua)

The water level of the Songhua River rises in Jilin City, northeast China's Jilin Province, Aug. 8, 2013. Jilin City has suffered continuous rainfall since Wednesday night, which caused the water level of the Songhua River rises to 188.67 meters in the city. Yellow alert on thunder and blue alert on torrential rain have been released by Jilin provincial meteorological observatory. (Xinhua)

A worker of a furniture factory transfers materials in the flood water in Daxing'anling, northeast China's Heilongjiang Province, Aug. 8, 2013. Daxing'anling was hit by a heavy rainfall on Thursday. (Xinhua/Wang Qisheng)

Workers of a furniture factory are evacuated from the flooded area in Daxing'anling, northeast China's Heilongjiang Province, Aug. 8, 2013. Daxing'anling was hit by a heavy rainfall on Thursday. (Xinhua/Wang Qisheng)

Rescuers pump the flood water at a furniture factory in Daxing'anling, northeast China's Heilongjiang Province, Aug. 8, 2013. Daxing'anling was hit by a heavy rainfall on Thursday. (Xinhua/Wang Qisheng)