Classify the collected poems by year. The author excerpted the poems of that era.

S (Tang Dynasty), a poem (on the way to bid farewell to Meng Haoran in Yangzhou, Yellow Crane Tower), one of the good poems written by Li Bai (a lonely sail crosses the blue sky far away, only the Yangtze River flows in the sky. ) I stand on the edge of Jiangsu, and Kofunagoshi, who sends his friends away every day, goes farther and farther, and gradually disappears in the place where the water meets the sky, only to see the mighty river flowing into the sky.