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The manuscript mainly selects several milestones in the construction, expansion and major renovation of Guyuan City, describing the history of its construction and development. The ancient city of Guyuan was built during the Warring States Period. Gaoping County was established in the Western Han Dynasty, and Anding County was established during the period of Emperor Wu of the Han Dynasty. Guyuan City is located in the northern section of the eastern section of the Silk Road that must pass through. It has an important military geographical location and a high level of local political power. It is a famous historical city in the northwest.

The author of "Walking on the Old Growth Rings" has traveled to many famous mountains and rivers in my country over the past 20 years, and has viewed many historical relics and cultural landscapes. He has left behind his insights after the tour in the book, and demonstrated the enlightening significance of history, culture and landscape culture to life from a cultural and aesthetic perspective.