英语高手们帮帮忙吧 我在这谢谢了

Dear Peter,
I'm writing to you to tell you about one of the ancient world's wonders--Great Wall of China. It was built more than 2000 years ago，and completed in Qin Dynasty(BC221-206) ，It stretches over 6000 kilo meters like a giant dragon, right from Liaodong Wan(Bo Hai) to the middle of Gobi Desert, 6 to 7 meters in its height, and 4 to 5 meters in its width, the only visible object on the surface of Earth look down from an orbited satellite. It was built with boulders and bricks, it cost a great deal of both resource and human lives to build. Once you had seen these remarkable wall, I don't think you can help yourself wondering how on earth those of our ancient Chinese ancestors can achieve such an impossible project without the help of modern technology and equipments? Now Great Wall of China has become a famous land mark of the world, attracting millions of both domestic and foreign visitors every year. I look forward to seeing you here soon.

Best friend of yours Daming

Dear Peter, I'm writing to you to tell you about : the Great Wall is over 6000 km in length, 6 ~ 7 meters, width of 4 ~ 5 meters, like dragon across northern China has a long history, is a world famous one of the wonders of most of its construction began in the Qin Dynasty is made of stone and brick. When you see the the Great Wall when you will be overcome by one's feelings to the ancient Chinese, in the absence of modern machine situation is how to build such a spectacle of today the Great Wall has become a foreign tourist attractions.

I'm writing to you to tell you about one of the eight wonders of the world---GREAT WALL. It is more than 6000 kilometers in its length,6 to 7 meters in its height, and 4 to 5 meters in its width, which passing through northern China like a dragon. It is also one of the famous wonders in the world with a long history. Most of the GREAT WALL was built in Qin Dynasty with stones and bricks. You may can not help wondering that how this magnificent wonders can be finished by our ancestors without modern machinery. Now, the GREAT WALL has already become a scenic spot attracting both visitors from home and abroad.