The official figure is 21,196 kilometres, but that number hides a lot. Here is what the Great Wall actually is, how long it really took to build, and which section is worth your day.
Posts with tag.: is the great wall of china visible from space
The official figure is 21,196 kilometres, but that number hides a lot. Here is what the Great Wall actually is, how long it really took to build, and which section is worth your day.