Archaeologists work at the excavation site of No. 1 pit of the Museum of Qin Shihuang Terracotta Warriors and Horses, where more terracotta warriors have been newly unearthed, in Xi'an, capital of northwest China's Shaanxi Province, June 9, 2012. Since the third excavation started in June of 2009, more than 100 terracotta warriors as well as terracotta horses and chariots have been unearthed at the No. 1 pit within the mausoleum complex of Qin Shihuang (259-210 BC), the founder of China's first unified feudal empire, the Qin Dynasty (221-206 BC).