
A ceremony is held to honor Huangdi in Huangling County of northwest China's Shaanxi Province, April 4, 2012. Huangdi, or the Yellow Emperor, is a legendary hero living more than 4,000 years ago. He is considered to be the ancestor of the Chinese nation. (Xinhua/Liu Xiao)

A ceremony is held to honor Huangdi in Huangling County of northwest China's Shaanxi Province, April 4, 2012. Huangdi, or the Yellow Emperor, is a legendary hero living more than 4,000 years ago. He is considered to be the ancestor of the Chinese nation. (Xinhua/Liu Xiao)

A ceremony is held to honor Huangdi in Huangling County of northwest China's Shaanxi Province, April 4, 2012. Huangdi, or the Yellow Emperor, is a legendary hero living more than 4,000 years ago. He is considered to be the ancestor of the Chinese nation. (Xinhua/Liu Xiao)

A ceremony is held to honor Huangdi in Huangling County of northwest China's Shaanxi Province, April 4, 2012. Huangdi, or the Yellow Emperor, is a legendary hero living more than 4,000 years ago. He is considered to be the ancestor of the Chinese nation. (Xinhua/Liu Xiao)

A ceremony is held to honor Huangdi in Huangling County of northwest China's Shaanxi Province, April 4, 2012. Huangdi, or the Yellow Emperor, is a legendary hero living more than 4,000 years ago. He is considered to be the ancestor of the Chinese nation. (Xinhua/Liu Xiao)