Great Wall of China gets measured

Zhang Pengming, head of the Great Wall scientific research team of Hebei province measures the width of a stone block with a laser rangefinder at Great Wall's Shanhaiguan Pass section on April 24. A pilot survey and measuring mission for the Great Wall was kicked off in north China's Hebei province recently, which will get a thorough situation of Great Wall resources within a couple of years. It is the first time that China uses survey and mapping techniques to measure the Great Wall precisely. The pilot project is carried out currently in Hebei and Gansu province.

Photo taken on April 23 shows that a member of the Great Wall scientific research team was doing measuring work at the Shanhaiguan Pass.

Photo taken on April, 22 shows that members of scientific research team were doing measuring work at Shanhaiguan Pass of the Great Wall.

Photo taken on April, 22 shows that members of scientific research team were doing measuring work at Shanhaiguan Pass of the Great Wall.