At present, the wall of China Office of the national cultural heritage China announced on June 6 2555 that archaeologists have measured the length of the buildings and structures of men, the largest in the world. Or "Great Wall".5 years since 2008-2012 and found that is longer than the original recorded over 2 times, or 21196.18 kilometers from the original, 8850 kilometers, covers an area 15 counties nationwide [1] and it is one of the seven wonders of medieval. Are believed. If you look at China from space will be able to see the great wall of China.