People pay tribute to legendary emperor Huangdi

People attend a ceremony paying homage to Huangdi, or the Yellow Emperor, who is regarded as one of the common ancestors for all Chinese, at the Mausoleum of Huangdi in Huangling County, northwest China's Shaanxi Province, April 5, 2019, on the occasion of the Qingming Festival. (Xinhua/Liu Xiao)