The Chinese worked on the Great Wall for over 1700 years. In turn, each emperor who came to power added pieces of the wall to protect their dynasties. But the wall was not a solid wall. It was a line of disconnected barricades.
The Terracotta Army is one of the top attractions in China, because of its historical significance and uniqueness. It is significant because the hundreds of detailed lifesize models represent the army that triumphed over all other Chinese armies, and who were the decisive factor in forming a united China.