, "Water comes one mountain after another, catching up with mules and walking three sides." In Ming Dynasty, the Great Wall straddles the east and west, and the sites of Han tombs are widely spread and deeply hidden, with splendid folk arts, and loess culture, grassland culture, frontier fortress culture, nomadic culture, desert culture, farming culture, Great Wall culture and folk culture blend together. Northern Shaanxi paper-cutting, northern Shaanxi storytelling, northern Shaanxi folk songs, northern Shaanxi prosperity, northern Shaanxi Taoist feelings and other unique local cultures have become an important part of the socialist culture. "Water comes one mountain after another, catching up with mules and walking three sides." A high-pitched and melodious Xintianyou sings the "Trilateral" which is called Dingbian, Anbian (originally a county, now a town) and Jingbian. From the Yangshao culture and Longshan culture sites that have been discovered on the three sides,