On the occasion of April 18th, the International Day for Monuments and Sites, the State Administration of Cultural Heritage and the State Bureau of Surveying and Mapping jointly announced the result of their phase I research and surveying work for the Great Wall which had started in 2006, and declared the length of the Ming dynasty Great Wall: 8851.8 km.
The Director General of the SBSM, Mr. Xu Deming, announced this result to the public at the foot of the Badaling section of the Great Wall. This is the first time that the length of the Ming Dynasty Great Wall has been accurately measured out. Representatives from the Chinese People's Political Consultative Congress, the State Ministry of Culture, Beijing Municipal Government, Unesco Beijing and Foreign Embassies, together with over 300 people witnessed this important moment.