Dam introduction: Near the Shimen, there are more than 100 cliff stone carvings left by literati since the Han Dynasty. The most famous national treasure "Shimen Thirteen Products" is called "Hanzhong Shimen, the Master of Japan" by Japanese calligraphy circles. "; Among them, Cao Cao's "Gun Xue", Zhang Liang's "Jade Basin", Zheng Zizhen's "Stone Tiger" are vigorous and powerful, and the brushstrokes are smooth. "Ode to the Stone Gate" and "Shimen Inscription" have been regarded as models of Chinese calligraphy art since ancient times; these Most of the stone carvings are now collected in the Hanzhong Municipal Museum. The Lianyun Plank Road on the mountainside of Liancheng Mountain is lined with stone carvings. Bao Sipu, which is now submerged under water, is said to be the hometown of Bao Si, a beautiful woman who perished in the Western Zhou Dynasty.