The existing elements of the Great Wall retain their original location, material, form, technology and structure. The original layout and composition of various constituents of the Great Wall defence ...

Researchers from the Han and Ming Great Wall conservation and research center ... to Lhasa (in today's Xizang autonomous region). It was a location that had to be passed, both on the Silk Road ...

After years of delays due to insufficient funding and prevailing conflicts, the Great Green Wall in the Sahel, aimed at preventing desertification, gained momentum with an accelerator program ...