The place where he began his operations is recorded as Jishi, which has the same Chinese characters as that of the gorge where the landslidedam occurred.
据记载，大禹治水的起点是“积石”，与曾有滑坡坝存在的那个峡谷同名。
2
A landslidedam located in the Huanghe upriver was formed by two landslides, then formed the barrier lake which is core area of national natural protection now.
黄河上游某滑坡坝由两岸滑坡物质形成，进而形成了天然堰塞湖，附近区域现已成为国家自然保护区核心区。
3
The mountain landslidedam is a common geological disasters, in the event of strong earthquakes, landslides dam formation of the large number of lakes of them, a large scale of it.