Introduction to Zhongnan Stone: After Wen Tianxiang arrived, he used his sword to carve the word "Zhongnan" on the stone where the rice was built. The word "nan" in Zhongnan is written as "五", which means that it was exactly noon when Wen Tianxiang arrived. Prime Minister Wen's intention was to fight to the death against the Yuan Dynasty and to be loyal to the Song Dynasty. "My heart is a magnetic stalactite, and it cannot guide the direction without adding anything to it." This unforgettable poem already expresses the meaning of Prime Minister Wen's "Zhongnan".