假设你是Tony,昨天去游览了长城.请根据以下提示给你的美国笔友Tom写一份电子邮件,不少于70词.1、长城有6000多千米,五米宽.2、在古代,由于没有现代化的机器,人们不得不依靠双手做完所有的工作；3、长城举世闻名,体现了劳动人民的智慧（wisdom）开头：Dear Tom：Yesterday I visited the Great Wall in China with my parents .It's really great .Let me tell you something about it.(可以算上开头,除上面的Dear Tom）
问题描述：
假设你是Tony,昨天去游览了长城.请根据以下提示给你的美国笔友Tom写一份电子邮件,不少于70词.
1、长城有6000多千米,五米宽.
2、在古代,由于没有现代化的机器,人们不得不依靠双手做完所有的工作；
3、长城举世闻名,体现了劳动人民的智慧（wisdom）
开头：
Dear Tom：
Yesterday I visited the Great Wall in China with my parents .It's really great .Let me tell you something about it.(可以算上开头,除上面的Dear Tom）
答
The Great Wall is 6000km long and 5meter wide.In the past,because there is no modern machines,people hava to finish all the work by hands.It is very amazing that they built this.Great Wall is famous all around the word,and it shows the wisdom all the working people.It is one of the seven wonders in the world.If you have any chance to come,please let me know.