A popular question when discussing the Great Wall of China is the age old, "How long is the Great Wall of China?" Despite the direct and simple question, you can find lots of different answers on the internet. So I will give you the So I will give you the official lenght.
The Great Wall of China is much longer than what has been commonly accepted as fact. The length of the wall was previously thought to be 8850 kilometers or 5500 miles. The actual length, however, is 21,196.18 kilometers.An unbelievable 13,170 miles
The State Administration of Cultural Heritage in China has released this statement based on archeological findings from 2007. The previous length of the wall was based only on facts found in historical documents. The press release on the new length of the Great Wall of China was on the site of The State Administration of Cultural Heritage.
Additional pieces and remnants of the Great Wall of China have also been located using Google Earth. Satellite images show many pieces of the wall that have been covered over time. Excavation of these parts of the wall may be stalled or impossible, however, due to their location. Many parts of the wall are located in the Gobi desert, near the Mongolian border.