It built to protect the northern border of Chinese Empire from various nomadic groups. They have been built since the 5th century BC and they stand as a collectivity of big walls. These walls had been rebuilt and maintained from the 5th century BC through the 16th century.
The China Wall stretches from Shanhaiguan in the east to Lop Nur in the west. The history of this wall has started from the spring and autumn periods. Initially, it was like several discontinuous walls but it's a collection of huge walls.
The first set of walls built to keep away the Mongol nomads. They were built of earth and stones in wood frames during the Qin Dynasty (221-206 BCE). Some modifications were made to this historical monument during Ming Dynasty period (1388 - 1644 CE). Ming's modification established in new areas from the Qin's walls. Ming established guard stations and watch towers. Even then they could not control the Mongol invaders violation. They were breaching the wall by going around it. So this kind of protection appeared to be unsuccessful.
The rebuilding of this wall took place in the 20th century. Through the western contact with China, the Great Wall of China grew along with tourism. Now it attracts a wide range of tourist around the world. It has got a unique beauty and it extends over 5,500.3 miles. It is the wonderful tourist destination attracts many visitors to China every year. It is one of the world wonders. In 1987, the Great Wall of China added into world Heritage list by UNESCO.
When leaving the earth's orbit and acquiring an altitude of more than a few thousand's miles, no manmade objects are visible. NASA reports, "Only the great wall of China can barely see from the shuttle.
It is the wonderful monument that everyone should visit at least once in their life time. Plan your trip to China and enjoy the architecture of this world's wonder. Have a great Journey to this Great Wall of China.
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