Deep relief. This stone portrait shows the story of Dayu who has been living outside for thirteen years and has passed through his family three times without entering. The portrait depicts Yao, Shun and Yu in turn, the youngest son Qi held by Yu's wife and the elderly father Gun of Dayu. Among them, the man who wore a wide robe, a bamboo hat on his head, and a fork on his hands was Dayu, which reflected the story of his success in dredging the river and guiding the stagnation and controlling the water.