People pay tribute to legendary emperor Huangdi

A ceremony paying homage to Huangdi, or the Yellow Emperor, who is regarded as one of the common ancestors for all Chinese, is held at the Mausoleum of Huangdi in Huangling County, northwest China's Shaanxi Province, April 5, 2018 on the occasion of the Qingming Festival. (Xinhua/Liu Xiao)