The Great Wall of China is mankind’s ultimate creation, but it is far more than bricks and mortar. Built across the historical northern borders of China, one of its main purposes was to protect and consolidate territories of Chinese states and empires against various nomadic groups
It has guarded its secrets for over 2,800 years – no one knows how long it is, who built it, or why it evolved. Using technology and cutting edge science, the length of the wall is measured, the building materials analysed providing fascinating insights into the world’s longest wall.
Episode Length: 00:51:00