I don't know why you would argue about how offensive 9/11 jokes are on the blockland forums, if not on the internet.
OP posts 9/11, you get 9/11 jokes. what do you expect? if you can't deal with it then don't be so salty, yes people died but people died everywhere.
build is nice, I like the little detail at the bottom. Maybe recreate it with smaller bricks, since it definitely had more meltable steel beams than that.