PHThe Great Wall of China was held together by sticky rice
As reported by the You do not have permission to view the full content of this post. Log in or register now., scientists at the University of China who were researching the material of the Great Wall were surprised to learn that there was a special ingredient added to the standard mixture of lime and water: sticky rice. Not only did this make the Great Wall mortar the world's first composite mortar, it also was the reason why the Ming Dynasty's structures were able to withstand everything from earthquakes to the sands of time.
(S) bestlifeonline