Dangshan. At present, Dangshan in Xiayi has a bright future, but Dangshan is the best in the surrounding counties. Dangshan has a long history and rich resources. Since the establishment of Xiayi County in Qin Dynasty, it has been built for more than 2200 years. Dangshan is known as "pear capital of the world" and "hometown of crisp pears in China". On April 20 10, it was recognized as the largest contiguous orchard producing area in the world by Guinness World Records. It is the "hometown of martial arts in China" and "hometown of suona in China", and the hometown of Zhu Wen, the founding emperor of Hou Liang.