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The Changes of The Great Wall

The wall now extended across the principle trading routes and if you wished to trade with the Chinese you needed to enter through the gates in the wall. Around these gates towns were established and became the trade centers of the area. At most gates foreigners were not allowed to go past the gates so these became the portals of trade into China.

One perfect example is the beautifully preserved Jade Gate. Built in 101 BC, it is 28 feet high and 66 feet square. Close by they built a fort for the Han soldiers guarding the wall. This section of the wall is 453 feet long, 115 feet wide and 23 feet high.

The wall became more than a trade route and a barrier to keep out the enemy, it became vital for communications. Along its ramparts messages could be sent at amazing speeds from one end of the empire to the other. All along the northern border beacon towers were built every 15 to 30 miles. They formed a communication network, which ran from outposts deep into enemy territory to the ancient capital in the east.

From these towers the Han troops used smoke by day and torches by night to send messages along the length of the wall. They burnt wood, and straw mixed with wolf dung, which produced rich black columns of smoke. Statutes strictly governed the code of these signals. One column of smoke indicated an impending attack by a force of less than 500. Two columns indicated an attack by a force less than 3,000 and four columns indicated an attack by a force of up to 10,000.

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More Introduction of the great wall of china:

Great Wall in Beijing    SiMaTai Great Wall SiMaTai Great Wall    JianKou Great Wall   MuTianYu Great Wall   BaDaLing Great Wall    Huanghuacheng great wall    Juyong Guan Pass   GuBeiKou Great wall   Jinshanling great wall    Underwater Great wall 



Photo Pictures of Great Wall

Scene List :
Simatai Great Wall  3
Jinshanling Great Wall  4
Gubeikou Great Wall  5
Mutianyu Great Wall  8
Jiankou Great Wall (Arrow Nock)  9
Huanghuacheng Great Wall  10
Juyongguan Pass  13
Badaling Great Wall  14


Great  wall in Mongolia

Great wall in North west China  

Wuwei Great Wall   Great Wall at Hushan   Dun Hua Great Wall   Zhangye Great Wall   Jiayu Pass Great Wall  Yangguan Great Wall YanmenQuan Great Wall   Yanmen Fortress great wall  Shizuishan Great Wall  Huang YaGuan great wall    JiuQuan Great Wall   WangXiaoTemple near great wall  NiangziGuan pass

Great wall in North east China 

Happy meeting fortress    ShanHaiPass Great Wall   Zhen Bei Tai Tower     shimenzi Great wall   Jiu MenKou Great Wall  Pianguan pass  Zijinguan Pass

Great wall stories

Why Build the great wall  Lady Meng cry  great wall   Overhanging Great wall   Ten brothers and the great wall   Yang generals  Special custom of Jiayu pass  Wu SanHui and ChenYuanYuan   wonder of the world    beginning of the Great wall    Magic of the Great wall  Secrets of Great wall   Great wall from space  change of Great wall  foreigner view of Great wall    Great wall by radar   Great wall again  Map of Great wall  

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