The five thousand years long magnificent history of China has made the Chinese an intelligent people that created many great world-renowned projects. Some of them survived thousands of years of changes and still benefit us today. The Great Wall (a UNESCO World Heritage Site) is an ancient defense project with the longest construction period and largest construction scale in the world.
The Great Wall
depicts how the ancient Great Wall of China guarded the country during war and benefited trade in peacetime. The Great Wall not only contributed to the peace and stability of the border regions in ancient China, but also ensured the safe development of the Silk Road.