The Great Wall Of China

The Great Wall Of China is a chinese fortification from the 3rd century BC untill the beginning of the 17th BC in order to protect the various dynasties from raids by Monggol, Turkic and other nomadic tribes coming from modern days in Mongolia and Manchuria.It is built to protect China from invasion of Xiang Nu the people of Mongolia. The Xiangnu's tribe was China's main enemy at that time.The Chinese built the great wall to prevent from entering and conquering China.Origanlly made up of shorter walls between factions, the wall was fortified and lengthened under the emporer Qin Shi Huang beggining in 221 Bc.The defenders of China cold easily shoot arrows and cannons from the Gerat Wall, which was cleverly designed with small holes in the walls for defense and attack at the same time.Althogh the building of the architectural wonder sacrificed many lives, it was still worth it in the end as the Mongols were mostly kept out of China.The modern use of the wall is tourism, although much of it has fallen into disrepair or crumbled away completely.