
World Heritage Site since 1987, the Great wall china It is one of the most imposing man-made constructions of all time. Erected to protect the northern side of the ancient Chinese empire, this fortification was expanded over the centuries by various dynasties to obtain a construction so monumental that even its size was not entirely clear until recently. You know how tall is the wall of china?, at OneHowTo.com we explain it in detail.
Measure of the Great Wall of China
For a long time it was believed that the length of the China Wall was around 8,850 kilometers, however in 2007 an investigation was started to try to determine the real size of this incredible construction taking into account the sections of which only the foundations and also the ramifications. The result is simply impressive, and it is that after the investigation it is calculated that the Wall of China measures 21,196 kilometers Awesome!
The height of this immense wall is between 7 and 8 meters, while the width of its walls is between 4 and 5 meters, a true unbeatable fortress for the time. Despite its size, today only about 30% of what has been the largest fortification built in history is preserved in good condition.

Why did they build the Great Wall of China?
Building the Great wall china started in the century V BC when China was still divided into fiefdoms. In order to protect itself from foreign invasions but also from neighboring states, the Qi fiefdom begins the construction of a wall, an action that several nearby fiefdoms imitate, but with the arrival of the Qin Dynasty China is unified again, and the emperor finds the need to destroy some of the built walls and expand the erection of new walls to protect all its territory.
This decision continued to be implemented throughout the governments of various emperors not only from the Qin dynasty but also from the Han and Ming. The function was basically to protect the Chinese territory on its north face from the attacks and invasions of the Mongols and Manchuria. This fortification was expanded until the 16th century AD, a period in which the last walls were erected.
Today, and although much of the Chinese Wall has disappeared or is seriously damaged, we can still enjoy 30% of this huge 21,196-kilometer construction that is considered one of the 7 wonders of the modern world.

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