Great Wall Photo

Great Wall, is not a continuous wall but is a collection of short walls that often follow the crest of hills on the southern edge of the Mongolian plain. Great Wall, known as "long Wall of 10,000 Li" in China, extends about 8,850 kilometers (5,500 miles). The Great Wall of China extends 4,000 miles (6,400 km) westward from the seaside town of Shanhaiguan to Gansu Province.