China's Great Barrier

China is the great barrier wall running along the northern and north-western parts of China (PRC), from Chnho Angtao on the Gulf of Bohai Sea (Yellow Sea) in the east to the area Gautay in Gansu province in the west. Another barrier has been built to the south, and spread from the area of Beijing to Handen

M building the first parts of the fence during the reign of the rulers "Trkio Slakeo - Chango was new construction allows them to protect their kingdom from the attacks of Northern Peoples (Turkish: from left, and Mongol and Tonguz = Mencrien), and in particular "Hieongeno = Hyong - Nu = Hun," one of the tribes of Turkish people of the Huns (see: Attila). the rulers of a family, "Chen," Shi Huangdi to build most parts of the fence, he was also feared that the campaigns waged by Bedouin tribes from the steppes of northern

 After the unification of China by "Qin Shi Huang) accelerated the pace of construction of the barrier, completed work in 204 BC. M, having participated in more than 300,000 people. Continued to families," Han "(206 BC). Then" only "(589 - 618) construction work. contributed to the Family" Meng "(1368-164 m) in the D-fence and strengthened, as has been replaced by parts that were built with mud, Bbinaat of bricks. was building long final (6700 km) and extended parallel to the rivers nearby and formed Anhinaath with terrain mountains and hills, crossed by. add Great Wall of China to the World Heritage List established by UNESCO in 1987

 The barrier was built of mud and stones, cover the eastern side brick. A width of 4.6 meters to 9.1 meters at its base (an average of 6 meters), it becomes narrow in the above (3.7 m). Length ranging 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 a few hundred kilometers from the best parts of the saved, while remaining parts other than the effects of simple

Despite all the efforts made by Chinese rulers to end construction, the fence does not have the required task in defending the country against the attacks of nomadic peoples (barbarians). Alone invasions carried out by the emperors kings "Zheng, who in turn were descended from one of these peoples, has allowed the country's phase-out of these threats