Introduction to "The Crane-Felting Pavilion": When Su Shi was the prefect of Xuzhou, he often led his guests to drink in the pavilion. In November of the first year of Yuanfeng, Su Shi wrote an article called "The Story of the Crane-Fang Pavilion". The inscription is now erected on the south side of the Crane-Fang Pavilion. This article was so popular that it was selected into "Guwen Guanzhi". Yunlong Mountain and Fanghe Pavilion in Xuzhou Heting is also famous throughout the country for its literature.