本片是一部中国大陆纪录片片，由董钧导演，由主演。
剧情简介：It has been forty years since the Sanmen Gorge project, a great dam high across the Yellow River at Sanmen Gorge, was completed. It's construction has had a large impact on the environment and the people. Among these are conflicts with local farmers, resettlement and life in exile of villagers, flooding and economical development.
类型：纪录片
地区：中国大陆
导演：董钧
