One of the greatest wonders of the world!
The Great Wall, one of the greatest wonders of the world, was listed as a World Heritage by UNESCO in 1987. Just like a gigantic dragon, the Great Wall winds up and down across deserts, grasslands, mountains and plateaus, stretching approximately 8,851.8 kilometers (5,500 miles) from east to west of China. With a history of more than 2000 years, some of the sections are now in ruins or have disappeared. However, it is still one of the most appealing attractions all around the world owing to its architectural grandeur and historical significance.
Where is the Great Wall of China?
The Great Wall starts from the shanghai pass at the seaside in the Hebei province to the Jiayu pass in Gansu province. The sites of the Great Wall stretch across 15 provinces of China, Tianjin, Qinghai, Shandong and Inner Mongolia, etc.
How was the Great Wall build?
The construction of the Great Wall was mainly depended on human labor. The large stones, earth, wood and bricks were carried on human’s back or lifted by the bar. Simple machines were also used to create the Wall, such as varied handcarts, crowbars and wheels. Animals were also used to transport the materials, just because some sections of the Great Wall were built on the crests, it was hard for a man to carry the heavy materials to these places.
Who built the Great Wall of China?
According to records, Emperor Qin shi huang ordered millions of the people to construct the Great Wall, including the workers, famous, soldiers and slaves.
Why the Great Wall is built?
As early as 7th century BC, Chu dynasty firstly built the Great Wall to stop the invasion from other countries and it opened the curtain of constructing the Great Wall in the history of China. During the Warring States Period, Qi, Wei, Zhao, Qin, Yan and Zhongshan had also built the Great Wall. The Great Wall was the greatest military defense project in the history, and it was also the guarantee of the peace and stability of ancient society and agriculture.
Can the Great Wall be seen from the outer space?
The Great Wall is great, but you can’t see it from the space. The average width of the Great Wall is no more than 10 meters, and it can be easily hidden by the surroundings. It is difficult to see it from 20km high by naked eye, not to say 400km from the spacecraft.