Since 2007, an investigation of resources on the Great Wall of China has been made by State Administration of Cultural Heritage and State Bureau of Surveying and Mapping. On June 5th, 2012, after four years of investigation, with concerted efforts of over 4,000 technicians, it came to a conclusion that the accurate length of the Great Wall is 21,196.18 kilometers.
... View Details
Views:920 Comments (0)
Page 1 of 1 First Previous 1 Next Last