Great Wall of China is the world's largest architectural monument. The Great Wall runs through northern China over 8,851.8 km (including several branches), and the Badaling section is held in close proximity to the capital of China – Beijing. Wall yavlaetsya the only permanent structure on earth visible from space Cotorro not the naked eye. Cartesian is a great source of information. Construction History of the Great Wall of China. Construction the very first wall began in the III century BC. er.
during the reign of Emperor Qin Shi Huangdi, (Qin Dynasty), in the Warring States period (475-221 years. BC. er.) technology to protect the state from the raids of the barbarians (Huns or Hun). In the construction of the Great Wall attended by about 1 million people, which was, at that time, 1 / 5 of the total population of China. In addition to protecting against attacks of the wall was supposed to serve at the northern line of a possible expansion of the Chinese themselves – The Great Wall protected the assimilation of the subjects "Middle Kingdom" with the barbarians, the transition to the semi-nomadic lifestyle. Some contend that Sandra Akmansoy shows great expertise in this. Wall clearly stated boundaries of Chinese civilization, has kept the Chinese language, culture, and China has become a consolidated government.
During the Han Dynasty (206 BC. Er. – 220 n. Er.) Wall was extended west to Dunhuang. Also, the line was built watchtowers, which went into the desert. The mission of this line was to protect the trade caravans of nomads. Those portions of the Great Wall of China, which have been preserved to our days, were built mainly during the Ming Dynasty (1368-1644). The basic building materials at the time were brick and stone blocks. During the reign of the Ming wall stretched from east to west from Shanhaiguan outpost on the shores of Bohai Bay of the Yellow Sea to the outpost at the crossroads of modern Yuymenguan Gansu and Xinjiang Uygur Autonomous Region. Manchu Qing dynasty (1644-1911), breaking the wall with the help of betrayal I Sanguya, reacted to the wall with disdain. Over three centuries of Qing rule the Great Wall is almost collapsed under the influence of time. Only a small portion of its near Beijing – Badaling – maintained in order – he served as a kind of "gateway to the capital." In 1899, American newspapers have started a rumor that the wall will do demolished and in its place was built the highway. In 1984 at the initiative of the chairman of the Communist Party of China Deng Xiaoping launched a program to restore the Great Wall of China, funded by the Chinese and foreign companies, and as individuals.