It introduces the causes of landslide in Hanzhuang Ancient Canal Waterway Widening Project, among which water is pointed out to be the main cause.
介绍韩庄老运河航道拓宽工程滑坡产生的原因，指出水是产生滑坡的主要原因。
2
Finally, the methods of field identifying of ancient (or old) landslide in reservoir area are discussed in term of the geologic and geomorphic characteristics of Qianjiangping landslide.