Considering tourism the great wall of china propably brought more people into china then keeping them out...

They were trying to keep out invading Mongols, not tourists.

redflower 😃 perhaps that is trumps idea a bit of reverse psychology with the wall and mexico

maybe it was built to keep the people in, instead.... and to draw in tourists, they were thinking way ahead.

we need guns on our wall good point

Lol true

Okay. 🤔

Yes because it wasnt completed, theres a large hole in it!

Probably true.