The Great Wall of China has a history of over two thousand years. It runs from the east to the west in North China. It is over 21,000 kilometres 1 in total. It is often 2 "The Ten-thousand-Li Great Wall". It is one of the "Seven Wonders"of the ancient world.
The Great Wall is 3 enough for ten men to walk side by side. Horses can also run along it, too. The Great Wall 4 stones and bricks（砖）. There are huge stones on 5 side and on the highest part. But now some sections of it are worn out.
There are tall watchtowers along the Great Wall. Once upon a time, the soldiers kept 6 the enemies（敌人）in the watchtowers day and night. They made 7 on the towers to 8 each other when the enemies came.
Nowadays we don't use the Great Wall to keep away the 9 any more. It is a famous place of interest to all the people in the world. Every year thousands of people come to visit it 10 all over the world.
