Why Is Terracotta Warriors and Horses Important. Reputed as one of the greatest archaeological finds in the twentieth century and the eighth wonder of the world, buried at 1.5 km east of Qinshihuang’s Mausoleum, Terracotta Army or Terracotta Warriors and Horses (兵马俑) is the funerary object of Emperor Qinshihuang (259~210 BC), the first Emperor of China.