Introduction to the sunset: Yang Zonghai, known as "Daze" and Yixiu Lake in ancient times, was also called Ming Lake in the Ming Dynasty. According to historical records, Yangzonghai was named after its residence: during the Dali Kingdom of Nanzhao, there were thirty-seven tribes, the Minghu area was the Qiangzong tribe, and in the fourth year of Baoyou in Nanning (1256 AD), the Qiangzong Thousand Households Office was established. Later Qiang Zong mistakenly called him Yang Zong, so he was named Yang Zonghai. In the Yuan Dynasty, Yangzong was called "Big Pool". There was a hot spring next to the pool, so it was also called "Tangchi". The rocks along the lake are rugged, steep and beautiful. According to "Chengjiang Prefecture Chronicles": "Whenever the sky is clear, the clouds gather and the shadows are clear and blue, fishermen answer each other's songs, and the sailing boats come and go like drawings. The scenery is called "Minghu Lake, clear blue", which is the Ming Dynasty. , one of the four scenic spots in Yangzong County during the Qing Dynasty."