The Great Wall located in North China is one of the most magnificent engineering miracle in human history.Over 6,000 kilometers length and 7.5 meters height structure was built by earth,brick and stone.This great structure started in 7th century.Keeping out invaders to attack the inland civilization was the initial purpose of this construction.Today,the Great Wall is the one of the famous resorts in China,visited by people from all over the world.
English SOS!用下列单词写一篇介绍关于长城的介绍：Location:North Chinalength:ove