Located in northern China, the Great Wall was a military fortification in ancient times. Popularly called the Long Wall of 10,000 Li in China, it extends 6,700 kilometers from the Shanhai Pass in the east to the Jiayu Pass in the west. A wonder thoughout the history of human civilization, it showcases the painstaking efforts and great wisdom of Chinese ancestors. As historic relic of supreme cultural meaning and tourism value, it was listed among the World Heritages by the UNESCO in 1987.
