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The Great Wall of China

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by

Ivan Lopez

on 2 October 2011

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Transcript of The Great Wall of China

The Great Wall of China The Great Wall of China is a series of stone and earthen fortifications in northern China, built originally to protect the northern borders of the Chinese Empire against intrusions by various nomadic groups. Several walls have been built since the 5th century BC that are referred to collectively as the Great Wall, which has been rebuilt and maintained from the 5th century BC through the 16th century. One of the most famous is the wall built between 220–206 BC by the first Emperor of China, Qin Shi Huang. Little of that wall remains; the majority of the existing wall was built during the Ming Dynasty. The Great Wall stretches from Shanhaiguan in the east, to Lop Nur in the west, along an arc that roughly delineates the southern edge of Inner Mongolia. The most comprehensive archaeological survey, using advanced technologies, has concluded that the entire Great Wall, with all of its branches, stretches for 8,851.8 km (5,500.3 mi). This is made up of 6,259.6 km (3,889.5 mi) sections of actual wall, 359.7 km (223.5 mi) of trenches and 2,232.5 km (1,387.2 mi) of natural defensive barriers such as hills and rivers.[ The Chinese were already familiar with the techniques of wall-building by the time of the Spring and Autumn Period, which began around the 8th century BC. During the Warring States Period from the 5th century BC to 221 BC, the states of Qin, Wei, Zhao, Qi, Yan and Zhongshan all constructed extensive fortifications to defend their own borders. Built to withstand the attack of small arms such as swords and spears, these walls were made mostly by stamping earth and gravel between board frames. How long is the Great Wall of China? How does the Great Wall of China? This is when they were building The Great Wall of China. Many people are curious about the overall length of the Great Wall. This question is difficult to answer as many dynasties have participated in building the Great Wall, and many sections are located in remote mountains, grassland or deserts which make the investigation a big problem. On April 18 in 2009, the length of the Great Wall of Ming Dynasty (1368-1644) was announced after a full investigation. It is 8,851.8 km (5,500 miles) long from Hushan Great Wall in Liaoning and Jiayuguan Pass in Gansu. The wall in Beijing measures over 550 km (342 miles) long The Great Wall is no doubt the largest manmade cultural relics in the world. According to the new data, it passes 156 counties in ten cities or provinces including Liaoning, Hebei, Tianjin, Beijing, Shanxi, Inner Mongolia, Shaanxi, Gansu and Qinghai. The Ming Dynasty Great Wall is composed of 723 beacon towers, 7,062 lookout towers, 3,357 wall platforms and 1,026 other ruins. The Great Wall of China is truly one of the great wonders of the world. Don't you think?
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