 The Great Wall of China was expanded as a defensive construction against the northern intruders.The Terracotta Army, inside the Mausoleum of the First Qin Emperor, consists of more than 7,000 life-size tomb terra-cotta figures of warriors and horses buried with the self-proclaimed first Emperor of Qin (Qin Shi Huang) in 210–209 BC.The figures were painted before being placed into the vault.