Lu Dadong is a person who makes a living by calligraphy. He often writes Tang poetry.The poem witnesses the long-lasting friendship between Meng Haoran and Li Bai. Meng Haoran, who lived in seclusion in Xiangyang, once roamed far away. Many poets in the Tang Dynasty came to Xiangyang just to visit Meng Haoran.Meng Haoran's influence is unimaginable to us today.