I mean there's this: https://en.wikipedia.org/wiki/The_Line,_Saudi_Arabia https://en.wikipedia.org/wiki/The_Line,_Saudi_Arabia No matter what you think of it,

I mean there's this: https://en.wikipedia.org/wiki/The_Line,_Saudi_Arabia https://en.wikipedia.org/wiki/The_Line,_Saudi_Arabia No matter what you think of it, you can't say it's not an immense-scale project requiring decades of construction.