2. What was it like after the decline of the Tang Dynasty, combined with Du Fu's poems?

"It's the beautiful scenery in the south of the Yangtze River, and it's the season of falling flowers." After the Anshi Rebellion, the Tang Dynasty declined sharply, and the prosperous period ceased.

Li Guinian's former glory in Du Fu's works also disappeared in the long river of history, dancing with the steed of Emperor Xuanzong of the Tang Dynasty. Forty years later, when Du Fu saw Li Guinian again, he had become a vagrant artist, making a living by busking, which was really embarrassing.