build wall tall famous visit |
The Great Wall of China is the longest wall in the world.
It is about 20,000 kilometers long, 7 meters 1. and 5 meters wide. The Great Wall was built more than twenty centuries ago. It was very difficult to 2. such a great wall without any modern machines. Thousands of men died while they were building the 3..
Have you ever been to the Great Wall? It is very 4. in the world. Many foreigners come to 5. it every year. They like it very much.