写长城的英语作文6700千米长,5米宽,7米高,离北京中心75千米,one of the wonders of the

Qingshi piled with rammed earth and the world's architectural wonders,after years still stand tall wind of cultural heritage,is facing the threat of desertification and man-made destruction - tourist area on the wall lettering is difficult to repair,but also worried about the Great Wall of experts,in many other areas along the Great Wall to protect no one to do the basic work.