Great Wall of China Cemented Rice Porridge

Chinese scientists have learned the secret of strength and durability of the Great Wall. Chemists have found that a part of the solution, bonding blocks of stone buildings, was part of glutinous rice porridge.

According to a university professor of Zhejiang Province, the workers who built the Great Wall during the Ming Dynasty about 600 years ago, the solution is prepared for bonding blocks of boiled rice and lime – a standard component mixes. Use of rice porridge was at that time very progressive and innovative step.

“The secret of the solution for the construction of the Great Wall of China is a special combination of organic and inorganic substances, united in the mixture. Amylopectin of rice and calcium carbonate of lime, when combined, give a substance which has high mechanical strength, “- said the scientist. On sections of the soil, where fall drops of this solution still can not grow grass.