The Great Wall Of China

The Great Wall of china is a very old stone wall built in china that is 5 people wide and 20 people high. It is 6400 km long and is built to protect the north of the empire of china from enemy attacks. The wall is the longest man made structure built and stretches from shanghai pass to lop nur. There were actually several walls built, with the first built at 5th century bc. The most famous wall was built between 200- 220 bc by the emperor of china, Qin shi huang. Many workers died during the making of the Great Wall and their bodies were buried under it. He decided to build the wall as some parts of china were easy to cross, hence making a wall will make it difficult for the xiongnu tribes, his enemy, to invade china. Many dynasties helped to extend and improve the Great Wall, especially during the Ming dynasty, where major rebuilding of the wall happened. They rebuilt the wall with bricks and stone instead of Earth