The Great Wall of China is a series of fortifications built by different dynasties to defense themselves from warriors and invaders.
To protect the Chinese Empire or its states against intrusions by various nomadic groups or military incursions by various warlike peoples or forces.
To control border, allowing the imposition of duties on goods transported along the Silk Road and to control immigration and emigration.
Construction of the Great Wall begun by feudal warlords in 7th century BC and in between 221 and 206 BC, the lengths of the wall were joined together by Qin dynasty.
The main Great Wall line stretches from Shanhaiguan to Lop Lake, along an arc that roughly delineates the southern edge of Inner Mongolia
13,170 miles or 21,195 km long
The collection of walls known today as the Great Wall of China was referred by a number of different names and before “Great Wall of China”; it was called “the Chinese wall“. In Chinese, they are most commonly known as Changcheng, meaning “long wall”.
The Chinese knew to build walls and between 8th and 5th century BC and the subsequent warring states period, the states of Qin, Wei, Zhao, Qi, Yan and Zhongshan all constructed extensive fortifications to defend their own borders.
It’s a space-based myth that the wall is visible from Moon.
Meng Jiangnv’s husband died building the wall & her weeping was so bitter that a section of the wall collapsed, revealing her husband’s bones so she could bury them.
The mortar used to bind the stones was made from human bones
The Great Wall of China is one of the Seven Wonders of the Medieval World.
UNESCO listed it as a World Heritage site in 1987.
It’s the longest fortification ever built
The Badaling section, had been visited by over 300 heads of state and VIPs from around the world. Furthermore it is the most famous stretch of the Wall, for this was the first section to be opened to the public in the People’s Republic of China.
The biggest and the most popular tourist attraction of China, dragging thousands of people each year.
Site that you see
Jiankou section of the Great Wall, known for being steep and winding, enjoys the most frequent appearance on picture books and post cards of the Great Wall.
Countless people worked on the construction of the wall.
After its defeat in the First and Second Opium Wars, China opened the wall to the foreign merchants and visitors then Great Wall became a main attraction for the world.
The sections of the Great Wall around Beijing municipality are especially famous: they were frequently renovated and are regularly visited by tourists today
Before the use of bricks, the Great Wall was mainly built from rammed earth, stones, and wood.
More than 60km (37 mi) of the wall in Gansu province may disappear in the next 20 years due to erosion from sandstorms.
In August 2012, a 30m (98 ft) section of the wall in north China’s Hebei province collapsed after days of continuous heavy rains.
The wall is a maximum 9.1m (30 ft) wide, and is about the same color as the soil surrounding it.
NASA claims that the wall is visible from low Earth orbit (an altitude of as little as 160 km) while some authors have argued that it is impossible to see the wall with the naked eye, even from low orbit, and would require visual acuity of 20/3 (7.7 times better than normal).
The first man to finish trekking the most length spent 2 years from Shanhaiguan Pass to Jiayuguan Pass.
The main body of the Ming wall measures 21ft tall on average
The labor force to build the Great Wall includes soldiers, forcibly recruited peasants, convicts and war prisoners.
The official length of the Great Wall is 8851.8km
The first Head of the state to visit the wall was Soviet statesman Klim Voroshilov in 1957.
Gubeikou section of the Great Wall, with bullet holes still can be seen in the wall, was the venue where the last battle fought at the Great Wall.
The highest point of the wall is around 8m (26 ft)
During its construction, the Great Wall was called “the longest cemetery on earth” because so many people died building it. Reportedly, it cost the lives of more than 1 million people.
During the Chinese Cultural Revolution (1966-78), the Great Wall was seen as sign of despotism, and people were encouraged to take bricks from it to use in their farms or homes.
Watchtowers were built at regular intervals along the Great Wall and could be up to 40ft tall.
The highest point of the Great Wall is in Beijing at Heita Mountain (5,033ft/1,534m)
The lowest point of the Great Wall is at Laolongtou (sea level).
In the 2008 Summer Olympics, the Great Wall of China was the finish spot for a cycling course.