Great Wall and Forbidden City

The Great Wall of China has long been seen as an engineering feat not to be replicated. To think that this was built in the 7th Century B.C., by man and only by hand is amazing.
There have been satellite photos of the Great Wall from space and reports that it can be seen from the moon.
The Badaling section is northwest of Beijing. It was built at the beginning of the Ming Dynasty. There are battle forts at important points. At night, Badaling is illuminated.
South of the Badaling section is the Pass of Conscripted Laborers or Juyongguan. …