写一篇关于长城的英语作文！

完全符合你的用处就不好弄了，给你一篇作为参考，你来修改：
Do you know which building is the greatest in China? I think it is the Great Wall. It is one of the places of historical .It is about 6000 kilometers long.
it is the longest wal in the world.
Although it was not easy to build the Great Wall, the people in history had already finished it. It show the wisdom of our acient people. It was used to protect enemies from the invaders.
Now the Great Wall is a famous building. Many tourists from China or other countries are attracted to visit it. It has been a place of interest.

都很简单，就不翻译了