No :p
Also : Houses : Some might have been set by scripters for either testing purpose or because old one was in a invalid location. While most of admins were aware and could use properly the /sethouse tools, some did not took in consideration the basic facts. Unfortunately, it might have happened that some houses/bizz have gone out of sight of managers and they were still present until recently.
So what I mean here :
Abstract : Some houses might have been moved, seemingly being new, due to their previous locations being invalid.