The Great Wall of China Stairs The total length of all sections of the Great Wall of China ever built adds up to about 21,196 kilometers (13,171 miles), including overlapping sections that were ...

Beyond its military role, the Great Wall is a symbol of Chinese ingenuity and unity. It's a UNESCO World Heritage Site and ...

The UNESCO World Heritage Site was constructed over the course of 2,000 years. It worked as a fortification system to defend ...