Fun Fact: Much of the Great Wall is still in very good condition thanks to its amazingly resilient mortar. The secret ingredient: sticky rice. https://www.tele

Fun Fact: Much of the Great Wall is still in very good condition thanks to its amazingly resilient mortar. The secret ingredient: sticky rice. https://www.telegraph.co.uk/news/worldnews/asia/china/7785842/Great-Wall-of-Chinas-strength-comes-from-sticky-rice.html https://www.telegraph.co.uk/news/worldnews/asia/china/778584...