A large burial pit of the Tomb of Qinshihuang (First Emperor of the Qin) (246-209 B. C.) was discovered in Lingtong County east of Xi'an City. The excavation revealed more than 1, 000 pieces of pottery figurines bronze chariots and horses and weapons. The discovery of this ancient civilization is known as the "Eighth Wonder in the World". So far, three burial pits have been found. The No. 1 pit buried a rectangular formation of chariots and army troops; the No. 2 pit buried a winding formation of chariots, army troops and cavalries; and the No. 3 pit was a command headquarters. Now, a Terra-cotta Army Museum has been set up for the protection of the discovery.