Introduction to Nainai Temple: Nainai Temple is located on the top of the main peak of Mount Ai. According to legend, it was built in the Yuan Dynasty. During the Qianlong period of the Qing Dynasty, Liu Yong, the first-rank prime minister of the Qing Dynasty, came to Mount Ai to worship his ancestors. He presided over the reconstruction of Nai Nai Temple. The ruins still exist today. .