AP - Wed Apr 5, 9:56 AM ET
Dancers perform during the Qingming Festival, or Tombs Sweeping Festival, at the Mausoleum of Huangdi (the Yellow Emperor), a legendary ancestor of the Chinese nation, in Huangling County of northwest China's Shaanxi Province Wednesday, April 5, 2006. Tens of thousands of Chinese from home and abroad gather Wednesday to worship the Yellow Emperor who unified tribes along the Yellow River Valley 5,000 years ago according to historical records. (AP Photo/Xinhua, Li Jundong)