“长江万里长,险段在荆江。”江水流出三峡后,进入了辽阔的两湖平原、从枝城到城陵矶的河道,长420公里,通称荆江。荆江河道蜿蜒曲折,水流宣泄不畅,汛期洪水高出两岸地面儿米到十几米,极易溃堤决口。历史上水患频繁,每次漫溢溃口所造成的灾害, “The Yangtze River is long and the insurance segment is in Jingjiang.” After the river flows out of the Three Gorges, it enters the vast two lakes plains and runs 420 kilometers long from Zhicheng to the Chenglingji River, commonly known as Jingjiang. Jingjiang river twists and turns, poor flow of water catharsis, flooding floods in the two meters above the ground meters to ten meters, easy to break the embankment burst. Frequent flooding in history, each time overflowing crashes caused by the disaster,