CHINA GREAT WALL

Size   - 21,196 km (13,171 mi)

Official name -   The Great Wall

The Great Wall of China, which stretches from the Yellow Sea in eastern China to western Mongolia, is a massive man-made structure.
Its construction began in the 6th century BC and continued until the 16th century BC.
Known as the Great Wall of China since the 5th century, several of these walls were built and completed.
There is a 4.5 meter wide road at the top of the wall.
There are 180 round towers 180 meters along the wall and it is said that in the past more than a million people were employed.

As a by-product of the construction of this wall, between 2-3 million Chinese died while working.
Looking at the Earth from the Moon, it appears to be the largest man-made creation to date.

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