Introduction to the Sanjue Monument: Located on the natural stone wall 40 meters northeast of Bailu Cave, it is an inscription of the poem "Tasha Xing" written by Qin Guan, a famous poet of the Northern Song Dynasty, during his exile in Chenzhou. It is 52 cm high and 46 cm wide, with a total of ten One line, eighty-one characters, running script. The so-called "three uniques" of the "Sanjue Stele" refer to the "three uniques" of Qin's lyrics, Su's postscripts, and Mi's calligraphy, that is, Qin Shaoyou's lyrics, Su Dongpo's postscripts, and Mi Fu's calligraphy. Outside, there is a stele-protecting pavilion with cylindrical green tiles and angled eaves, giving it a graceful appearance.