The Great Wall of China

The Great Wall china is the world's longest human-made structure, stretching over approximately 6,400 km from Shanhai Pass in the east to Lop Nur in the west of China, along an arc that roughly delineates the southern edge of Inner Mongolia. It is also the largest human-made structure ever built in terms of surface area and mass. The Wall was classified a World Heritage Site by the United Nations Educational, Scientific and Cultural Organization in 1986. for more info visit The Great Wall of China

The Great Wall of China