About Yan'an: Located in the northern part of Shaanxi Province, Yan'an was the end of the Long March of the Red Army and the base of the Chinese Communist Party from 1935 to 1948. Among all the revolutionary base cities in China, Yan'an is the city with the largest scale, the largest number and the most complete layout of the old revolutionary sites. It is an educational base for patriotism, revolutionary tradition and the Yan'an spirit. There are also Xuanyuan Huangdi Mausoleum, which is the "Number One Ancient Tomb in China", Baota Mountain and other historical monuments. There are an abundance of natural landscapes including Yan'an Yellow River Hukou Waterfall and Wanhua Mountain, the country's largest wild peony colony and the hometown of Mulan.