In order to protect China's northern border from the 5th century BC to the 16th century, this wall was started. It took about 15 years to complete the work that began in 221 BC. Made with bricks and stones. Around the same time, many of the same walls were made. However, between 220 BC and 200 BC, the wall built by China's first emperor Qin Shi Huang is the most famous. It is located at the north of the present wall, and it has very little left. The present wall was built during the reign of the Ming Dynasty.

Anyone can ask a question that Why was there such a large wall of construction needed? It is known from history that the time the nomad pirates of Manchuria and Mongolia attacked different parts of China and used to do various harm. As a result, the wall was built to protect China from the bandits. In 246 BC, China was divided into several different kingdoms. One of them was a king, whose name was Yi Huang-T, he became the emperor by joining other kings. Gobi Desert in the north of China, the great Mangalis live, whose work is looting. To protect the country from their hands, the construction of the Chinese wall was started by Emperor's order.

The wall was made of Chichli-old name from Shaanxiquan in Pohai bay, to Chyakuman in Kansu province. Now the question may be, is he purpose of the emperor was fulfilled? The question remains. Many places often collapsed or broke into the mainland of China by breaking the Mongol pirates. While there is now a wall to protect the heritage, many places in the wall are still some broken. The main part of the construction was started around 208 BC.

The first emperor of China, King C. Huang, used it first and built a long wall to protect his empire from the enemy. It was the first level security system to guard other areas except China's natural barriers and North China's tribe swing Nu. In the history of Han, Sui, Northern and Jing empire, due to the fact that they created it, there is a mention of the enlargement, change, expansion, reconstruction of China's wall. Although parts of Beijing and north of Beijing are also part of the restoration and reconstruction, some parts of the wall are destroyed. The damaged areas are used as a source of stone for the construction of village playgrounds and houses and roads. Some parts of the wall are being damaged for sabotage. Some parts have been destroyed for rebuilding the walls.

The repaired parts of the developed tourism area have become the market for tourism products. There is a regular interval in the watchstock, which is useful for the protection of arms, army housing and providing smoke signals. Army and administrative centers are in long intervals. Significance of military units in the Great Wall area, such as strengthening the party and warning the enemy's movement was significant. For the convenience of viewing, the signal towers was installed in the hills along with the hill.