Which poem reflects Du Fu's experience after An Shi Rebellion?

Du Fu: First, the military vehicle shop before the Anshi Rebellion, second, Daoism, Zhuangyou, Carving Fu, going out to Fengxian, Beijing to celebrate 500, Wang Yue, playing six poems, two poems of Zhang's seclusion, Cao Huma, remembering Li Bai in spring, nine poems on the front and five poems on the back.