mdd – Please don’t write in bold, it comes off as harsh. And I do not disagree that a woman may not dress in a way that will certainly cause men hirhurim assurim. But regarding this halacha it makes no sense to say that a specific area is by definition not tzniusdig, because it’s common sense that what causes hirhur is very subjective and can be different in every community. That was my point – that it’s all subject to the community norms (IOW what people are used to seeing), lechumra and lekula.
About the story in Berachos, again, of course there is such a thing as dressing in a way that is pritzus. My point is to say that there is no such thing as something being inherently not tznius. What is or isn’t tznius by definition takes into account the motivation and the way it is received.