world's longest humanmade structure at more than four thousand miles
actually constructed from a series of smaller walls that were connected together
built to guard against Mongol invaders
the great wall of china
The great wall of China is the longest wall in the world, some astronauts have even claimed to see it from space.
the great wall of china
There is the Great Wall Of China.
The great wall of china was discovered by some farmers they found 180 missing miles .
the making of the great wall china
The great wall of China.
great wall of china
England
some where around the wall
silk fireworks and great wall
the great wall of china