Luxis got a shout out from Eric and ND in a PS Blog post. It's nice to see something good happen when people put in time and hard work into something.
So that's why the hidden emblems didn't get released...looks like they won't be the reward for a possible lvl 76-100.
And we still don't know what "yemen streets" is.
Congrats Luxis anyway. I still won't change my sig because more colors doesn't equal the better customization/ clothing that makes sense (Heist clothes, Draza's helmet, Zorskel mask, Reporter Elena "Press hat" and so on <- work on this 1st, 2man Team of ND before doing an unicorn head...)
Yemen streets is probably Old Quarter. They renamed it later for some reason. Where did you see this name again?
It was in patch 1.13 (I think?) and Fadi or some other guy found the file. It is bigger than any other of the maps in UC3 so some people believed ND was working on some kind of "hub world". We'll probably never find out now that only a 2-man "team" is left to support UC3.