الأحد، 23 أكتوبر، 2011

China's Great Barrier

China is the great barrier wall running along the northern and northwestern China (People's Republic of China), from Chnho Angtao on the Gulf of Bohai Sea (Yellow Sea) in the east to the Gautay in the province of Gansu in the west. Another barrier was built to the south, and extended from the Beijing area to Handen.

Was building the first parts of the fence during the reign of the rulers "Tercao Subhao - Chango was new construction allows them to protect their kingdom from the attacks of Northern Peoples (Turkish: from left, and Mongol and Tonguz = Mnchorien), and in particular" Hieongeno = Hyung - Nu = Huns ", one of the tribes of the Turkish people of the Huns (see: Attila). the rulers of a family, "Qin," Shi Huangdi to build most parts of the fence, he was also the fear campaigns that were waged by the nomadic tribes of North steppe

 After the unification of China by "Qin Shi Huang) has accelerated the pace of construction of the barrier, being completed in 204 BC., And after that in which more than 300,000 people. And continued to families," Han "(206 BC). Then" only "(589 - 618 CE) the construction work. contributed to the family, "Meng" (1368-164 m) to extend the fence and strengthened, as replacement parts that were built with mud, Bbinaat of bricks. total construction length of the final (6700 km) and extended parallel to the river nearby and formed Anhanaouath with terrain mountains and hills crossed by. add great Wall of China to the World Heritage List by UNESCO in 1987 identified

Been building the barrier of mud and stones, bricks covered the eastern side. With a width of 4.6 m to 9.1 m at its base (at 6 meters), it becomes narrow in the above (3.7 m). Length varies between 3 and 8 meters. Placed guard towers with a total length of 12 meters every 200 meters. The eastern side of the fence, which extends to a few hundreds of kilometers saved the best parts, while the remaining parts other than the simple effects.

. Despite all the efforts made ​​by Chinese rulers to end its construction, the fence does not have the required task in defending the country against the attacks of nomadic peoples (barbarians). Only invasions by the emperors of kings, "Cheng, who in turn were descended from one of these people, allowed the country to dispose of these threats

 

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