Construction continued up to the Ming dynasty (1368–1644), when the Great Wall became the world's largest military structure. Its historic and strategic importance is matched only by its architectural ...

A worker busy restoring part of the Ming Great Wall in the county in 2019. [PHOTO BY ZHAI JIZONG/FOR CHINA DAILY] In 2006, the Han and Ming walls were designated a national key cultural relic ...

Workers of the fourth national cultural relics census examine the Ming Great Wall in Shandan county. [Photo provided to China Daily] The Shandan Great Wall was created by building a tight defense ...