Great Wall of China

Great Wall of China 

      

Great Wall of China is a legitimate defensive military past and rarely prominent in the architectural history of the human. It is a symbol of the Chinese nation, did not appear intelligent Chinese ancestors, but also embodies the effort exerted by the sweat and blood. And renowned in the world for its history and ancient fortifications and the magnitude of his greatness and strength. Began building the Great Wall of China during the Spring and Autumn and the Warring States Period more than 2,000 years. 

Starts from the fence corridor Jia Yu Guan Gan Su Province in the west and ends at Shanhaiguan Pass Hebei Province in the east through the mountains towering like a giant dragon lying on the territory of the vast North China. And it is the oldest and largest defense project in China and the world. And was included in the World Cultural Heritage List by UNESCO identified by the UN in 1987. 

The Great Wall of China is not just a wall, it is a defensive project consists of an integrated defensive walls and observation towers and walkways Alastairatejah barracks and soldiers and warning towers and other defense facilities. The controls on this project defensive system integrated military leadership consists of different levels. Take Wall of China in the Ming Dynasty as an example, this was the fence, which starts from the river Alwah east and ends at the corridor Jia Yu Guan west with a total length of 7000 km is divided into nine administrative regions military, and each area of ​​a chief executive to manage them separately and is responsible for the repair of the fence within the region the restoration is also responsible for defense affairs in the region or help the neighboring areas of military affairs on the defensive, according to the order of the Ministry of national Defense. The number of soldiers stationed on the line of the fence during the reign of the Ming Dynasty was about a million troops. 

Great Wall of China is going through different geographical terrain and complicated, where the crosses mountains and escarpment and runs through the desert and traversing meadows and rivers cut. So that the architectural structures of different fence and strange as it also built the fence in desert areas materials composed of local stone and a special type of willow, given the scarcity of rocks and bricks. The soil in the plateau regions of northwest China's Yellow, built for the fence compacted dirt or mud-brick, but it is solid and strong at least for durability fence built with rocks and bricks. The fence built in the reign of the Ming Dynasty often of brick or rock, or a mixture of brick and rock. There distracted water channel on the top of the fence for storm water drainage and automatically protect the fence. 

In addition to the role of the military, the impact of China's Great Wall on China's economic development as well. The trend Wall of China was almost identical with the dividing line between the climate semi-wet and dry climate in China, and in fact became a dividing line between the areas of agricultural and nomadic areas.

In ancient times, she was staying in northern China nomadic ethnic minorities, and people of the Han nationality living in central China, and in order to protect agricultural production and prevent the looting of the nomadic nationalities for their agricultural products, under the Han people build a fence down. Bringing the Great Wall of China barrier to the development of independent two different civilizations. 

Among the tourist sites on the Great Wall of China in parts of China, the Wall Ba Da Ling north of Beijing reserved the best piece of the Wall of China, as it is one of the best sites to climb the fence for Chinese tourists and foreigners.

source : arabic.cri.cn