This sentence came from the Qing Dynasty writer Cao Xueqin's "Dream of the Red Chamber", which described the scene that Lin Daiyu saw when she looked into the distance from the Grand View Garden. " Smoke rises from the thousand peaks, and the setting sun sets on the lonely city of Ten Thousand Feet Mountain." The meaning of this sentence was that in the midst of a thousand peaks, the scene of the setting sun shrouded a lonely city, and the towering peaks stood in the distance. The whole sentence depicted a grand, boundless, and profound atmosphere, expressing the depth and infinite vastness of history. At the same time, this sentence also revealed a kind of loneliness and bleak emotion, showing the loneliness and helplessness of the character in the vast world.