Latest Tech to Measure the Great Wall | News

Latest Tech to Measure the Great Wall (November 17, 2005)

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BEIJING: China would measure the length of the over 7,000-km-long Great Wall once again with the help of the latest remote sensing technology, the state media reported on Thursday.

Deputy Secretary-general of China Great Wall Institute Zhang Ji said a plan on comprehensively surveying the Great Wall with remote sensing technology was made and approved as feasible by experts.

The plan will provide an accurate length of the Great Wall, which was built by first Chinese emperor Qinshihuang, and rebuilt and renovated by the Ming Dynasty (1368-1644) rulers.

The current measure of the Great Wall, which is 7,300 km, is likely not very accurate due to the relatively backward measuring equipment and methods in the past, he said.

He said the plan will not only offer the actual length of the world wonder, but can also provide pictures of its overall layout, which is significant to the preservation of this cultural relic, Xinhua reported.

The Great Wall is one of the largest building construction projects ever completed by humans. It stretches across the mountains of northern China, winding north and northwest of Beijing.