Great Wall of China

What the Show Claims

• ›Ancient Aliens references the Great Wall as part of China's long history of isolationism and prevention of external information, suggesting potential alien contact may be concealed within China's secretive policies.

What Archaeology Says

The Great Wall of China was constructed over many dynasties, primarily as a military defense structure, with earliest sections dating to the 7th century BCE and most famous sections built during the Ming Dynasty (1368-1644 CE).