There were many true stories about Gu Yan's background. Here are a few more classic stories: 1. The background of the Jia Mansion in Dream of the Red Chamber: The Jia Mansion was the mansion of an aristocratic family in the Qing Dynasty. Its architectural and decorative styles were unique, including the Grand View Garden, Rose Garden, etc. In the novel, the decline of the Jia family was caused by internal disputes, poor management, and the invasion of external forces. These backstories were all based on historical facts and presented the true life of the ancient nobles through fictional stories. 2. The Liangshan heroes in the Water Margins: Liangshan heroes were a group of righteous people who rebelled against the rule of the Song Dynasty. Their leader was Lin Chong. In the novel, the creation and growth of Liangshan heroes were based on historical facts. Many heroes, including Lin Chong, were real historical figures. Some of the plots in the novel, such as the gathering of righteousness in Liangshan and the fight against Fang La, were also in line with historical facts. 3. The background of Sun Wukong in Journey to the West: Sun Wukong was the assistant of Xuanzang, a monk in the Tang Dynasty, who was trying to obtain the scriptures. The background of the story was also based on historical facts. In the novel, Sun Wukong's birth and growth experience, as well as his journey to the Western Paradise with Tang Sanzang, Zhu Bajie, and Monk Sand, were all fabricated and interpreted based on historical figures and legends. These stories were based on the integration of history, literature, and folklore to show the true face of ancient society in the form of fiction. They had high artistic value and cultural content.