The Great Wall of China a wonder of the world is called "The Ten-Thousand Li Great Wall "in Chinese. It's over 6000 kilometres long 6 to 7metres high and 4 to 5 that snakes along the top. It is said that it's the only man-made structure that can be seen from space. The Great Wall has a history of more than two thousand years. It was during the Qin dynasty that the parts were joined up into one long wall. In ancient days it was difficult to build such a wall. Our forefathers carried lifted and laid big bricks and stones with simple tools. Fach brick and stone fits well even though they didn't have our modern machines!Nowadays the Great Wall has become a place of inter-est. Every year people from all over the world come to visit it. Many of them have got to know the famous Chinese saying: "He who docs not reach the Great Wall is not a true man."