1 . 假定你是某国外旅游杂志的编辑，最近要刊登了一组世界文明古迹的图片，其中包括下面的图片。请你根据所给关键词，用英语写一段说明，以便随图刊登。

The Great Wall
about 21,196 kilometres
15 provinces and cities
more than 2,000 years
the Spring and Autumn period
Qin Shihuang
注意: 1. 词数150左右；          2. 可适当增加细节，以使行文连贯。
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
__________________________________________________________________________