Introduction to the Thirteenth Grade Cliff Carvings of Shimen: After the opening of Shimen, the officials, merchants, and literati who passed by, after enjoying the scenic spots, recorded events, chanted things, and expressed their feelings in writings. They were carved on the cliffs inside and outside the Shimen for generations. , thus forming the spectacular stone cliff carvings of Shimen. These stone carvings date from
the Han and Wei dynasties to the Ming and Qing Dynasties. They are a dazzling array of stone carvings. They are like a treasure house of stone carvings. The fine stone carvings among them are the highest artistic crystallization of both calligraphy and carving since the Han Dynasty. In particular, the "Thirteen Products of the Han and Wei Dynasties" such as "Ode to the Stone Gate" and "Gun Xue" in the Eastern Han Dynasty and "Shimen Inscription" in the Northern Wei Dynasty are important stone carving materials for studying ancient politics, military, transportation, science and technology, water conservancy, and culture. They play an important role in the history of Chinese calligraphy. It is of extremely high value and is known in Japanese calligraphy circles as "Hanzhong Shimen, the Master of Japan".