GLOBALink _ High-tech gadgets used in Great Wall protection in China's Jiayuguan
From：新华网英文频道Author： 2023-03-29 15:08
High-tech gadgets have been adopted in the protection of the Great Wall in northwest China's Jiayuguan City.
Edit：王云鹏
The copyright of the article and the picture belongs to the original author. If there is any infringement, please contact to delete it