the great wall of china Is one of the wonders 7 wonders of the world
and is the longest man made structure in the world
allsow it is mostly made by slavs
it took 200 years to build
and ther are wach houses
it is very unique
the great wall of china Is one of the wonders 7 wonders of the world
and is the longest man made structure in the world
allsow it is mostly made by slavs
it took 200 years to build
and ther are wach houses
it is very unique