중국 국가 문물국(SACH)과 국가 측량국(SBSM)은 이날 2년간의 조사 결과 만리장성의 길이는 8천851.8 ㎞ 로 이미 알려진 것보다 2천551.8 ㎞ 더 길다고 밝혔다.
The National Bureau of Cultural Heritage (SACH) together with National Survey Bureau (SBSM) of China announced for a passing fancy time that the size of the Great Wall had been 8,851.8 km, 2,551.8 kilometer longer than previously referred to as a results of a two-year study.