Great Wall was built mainly to protect the Chinese Empire from the Mongols and other invaders. It was built in the seventh century BC, when China was still divided into several smaller states. The construction of the Great Wall has never stopped while almost all Chinese dynasties.
The Great Wall stretches over 4,000 miles (6,400 kilometers) west of Shanhaiguan coastal province of Gansu. It had been using advanced technologies, has recently concluded that the entire Great Wall, with all of its branches, stretches for 8,851.8 km (5,500.3 mi).
The magnificent Great Wall has been built with wisdom, dedication, blood, sweat and tears. It was considered that he died somewhere in the range of two to three million in China, long project to build the wall.Almost everyone has heard of the Great Wall of China. As one of the World Heritage sites in China The Great Wall is not just a wall, but a symbol of courage and wisdom of Chinese people.