Vessels are seen stranding on the dried up riverbed of Hanjiang River in Yunxian County of Shiyan, central China's Hubei Province, May 15, 2011. A severe drought has pushed down the water level of Yunxian section of Hanjiang River, which was 136.78 meters up to 12:00 of local time Sunday, lower than average level. [Xinhua/Cao Zhonghong]