Great Wall of China

The Great Wall of China is the longest man-made structure of the ancient world. Called Chángchéng, or "Long Wall" in Mandarin, the Great Wall is actually a series of stone and earthen fortification. It was built, rebuilt and maintained from the 5th century BC to the 16th century AD, to protect the northern border of the Chinese Empire from marauders. The wall totals over 4000km in length, but is not one wall, but several. The current wall was built during the Ming Dynasty.


Wall-building techniques were developed as early as (and probably earlier than) the 8th century BC. In the 5th century BC to 221 BC, several ancient states including Qi, Yan and Zhao were all building earthen fortifications to withstand attacks of small arms like swords and spears. When Qin Shi Huang unified China and established the Qin Dynasty in 221BC, he destroyed sections of the wall that divided his empire, and built as new wall to connect the fortifications along his northern frontier. Very little of Qin Shi Huang's wall remained today. Later dynasties continued to repair, rebuilt and extended sections of the Great Wall in a continuous effort to defend themselves.

The Mings overcame the Mongols in 1449 to establish the Ming Dynasty. As the Mings failed to gain a clear victory, there were successive battles in the Mongols. So the Mings adopted a new strategy to keep the Mongols out, by constructing walls alll along the northern border of China. The Ming fortifications were stronger and more elaborate that the Qin. It make use of bricks and stones instead of earth. A lot of effort was invested to upkeep the wall to prevent Mongol intrusion.

From 1600 onwards, the Mings face a new threat, in the form of the Manchus. The Great Wall was able to keep the Manchus at bay until 1644, when a corrupt Ming border general by the name of Wu Sangui opened the gates of Shanhai Pass to the invaders. The Manchus swiftly grab hold of power, defeating the Mings, and establishing the Qing Dynasty, which continued until the Republican revolution in the 20th century. Under the Manchus, repair work on the Great Wall came to a stop because by then, the borders of China had extended northwards beyond the walls, and Mongolia was made part of the empire, so the wall was no longer a necessity.


Visiting the Great Wall
There are three sections of the Great Wall that are usually visited by tourists to Beijing. They are:
• The North Pass of Juyongguan, also known as Badaling. This section was the first to open to tourists, in 1957, and remains the most visited section of the Great Wall of China, probably also the most commercialised. Located 50km northwest of Beijing, this is the section of the wall built during the Ming Dynasty.
• Jinshanling, the section of the Great Wall in Ruanping county, 120km northeast of Beijing. The Jinshanling section is 10.5km long. It has 5 passes, 67 towers and 2 beacon towers. One striking aspect of the Great Wall here is the steep inclinations that it climbs.
• Mutianyu, the section of the Great Wall in Huairou County, 70km northeast of Beijing. It connects with Juyongguan Pass in the west and Gubeikou Gateway in the east. First built in the mid-6th century, the Mutianyu Great Wall was rebuilt in 1569, and has remained in good repair.

The Great Wall of China was made a Unesco World Heritage Site in 1987.

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