Great Wall, China.\u000d\u000a\u000d\u000aMao Jie Dong's inscription made at an entrance to the restored part says: \"If you did not visit the Great Wall, you are not the real Chinese\". What is the Great Wall? These ancient and strategically important defensive works which length reaches 10 000 kilometers. The wall is a history of a great civilization of Ancient China, its culture and philosophy. The largest monument of architecture.