How can the fish roll halfway up the mountain when it comes out of the water? Which three famous writers took part in this trip?

Mid-Levels: Wang Anshi (102 1 to 1086), whose real name is Mid-Levels, nicknamed Badger Lang, Jing Guogong, and known as Wang in the world. Dongpo: Su Dongpo (1037 to101year), whose real name is Su Shi, whose real name is Zi Zhan, whose real name is He Zhong, Dongpo lay man, was born in Meishan, Meizhou, Northern Song Dynasty (now Meishan, Sichuan), a famous writer and painter in Song Dynasty (Northern Song Dynasty). Luyou: Luyou (1 125 to 12 10 year), word service concept, No. Han nationality, Yinshan Yuezhou (now Shaoxing, Zhejiang) people. Poets in Southern Song Dynasty.