Before revision: A phantom border () is an informal delineation following the approximate course of an abolished political border, associated with demographic differences on each side as a continuing legacy of historical division, despite official geopolitical union.Zajc, Marko.
After revision: map of the tram lines in Berlin as they appeared in 2009 roughly shows the location of the former East Berlin, as its western counterpart replaced theirs in favor of buses.AA phantom border () is an informal delineation following the approximate course of an abolished political border, associated with demographic differences on each side as a continuing legacy of historical division, despite official geopolitical union.Zajc, Marko.