The Great Wall of China is very famous in the world. It is the     1     wall in the world.

It is about 6, 000 kilometers long, 7meters high and 5 meters wide. In most     2    , five horses or ten men can walk side by side.

If you go to visit the Great Wall, you will wonder how the Chinese people could build such a great wall thousands of years ago. It was very difficult to build it     3     moderm machines.

The workers had to do all the work     4     hand. Thousands of men died when they built the wall.

The Great Wall has a     5     of over two thousand years. And many foreigners come to visit it every year. Today the Great Wall is a place of interest. Both the Chinese people and people all over the world come to visit it.