Shaanxi is the root of the nation, Yan'an is the soul of the nation, and the Mausoleum of the Yellow Emperor is the spiritual symbol of Chinese civilization. The Mausoleum of the Yellow Emperor is the tomb of Xuanyuan, the ancestor of the Chinese nation. It is the only Mausoleum of the Yellow Emperor recorded in Historical Records. Huangdi Mausoleum, known as "Bridge Mausoleum" in ancient times, is a place for emperors and celebrities to worship Huangdi. The earliest sacrifice to the Yellow Emperor in history began in the three years of Qin Linggong (422 years ago). Qin Linggong "as Wuyang Shanghu, dedicated to the Yellow Emperor". Since the first year of Yuanfeng (110 years ago), Emperor Wu of Han Dynasty led 180,000 troops to sacrifice to the Mausoleum of Huangdi, Qiaoshan has been the place where all dynasties held national sacrifices -;, preserving all kinds of cultural relics from the Han Dynasty to the present. In 2006, the Qing and Ming Dynasty official ceremony of Xuanyuan Huangdi (Huangdi Mausoleum Ceremony) was listed in the first batch of national intangible cultural heritage list. In November 2013, Shaanxi Province launched the "Yellow Emperor Mausoleum Festival Activity" to declare the world intangible cultural heritage list work . In August 2014, the Mausoleum of the Yellow Emperor was listed in the project of declaring world cultural heritage.