Workers clear the site of an ancient village unearthed in Chengjiang county, Southwest China's Yunnan province, May 23, 2011. The site, containing 20 housing sites and 20 ancient tombs, is a rare, large-scale tribal area featuring ancient Yunnan culture. More than 100 items, including bronze ware and stoneware, have been unearthed so far. [Photo/Xinhua]