A group of sculptures of the four families of Song Dynasty in Hanyuan, China, Su Dongpo sitting on the ground, inviting guests with a toast, presenting the boldness of the great river east and the broad-mindedness of the breeze and boating on Hanyuan Lake; Huang Tingjian, covering the distance, looks like a poem; Mi Fu, who is holding a pen, shows his persistence and obsession with calligraphy; Cai Xiang, who strokes his beard and contemplates, shows his calmness in the officialdom.