I don't think the subject of other Ethnicities has been touched on much and I've read through the other threads. How common is it to see Asians or middle Eastern girls for instance? There's so many Chinese tourists that I wonder how usual it is to see them. I imagine some (not all) would behave differently to the average Sauna goer, obviously shy, maybe trying to cover up and perhaps staring at men's appendage on occasion (certain asian nationalities in particular can be very blatant when it comes to staring).
I know these other Ethnicities do present themselves at least every so often but don't know how common it is. I was friends with a Tunisian girl who stripped off in a German sauna. It was the first and only time she's ever done anything like that and she was very shy about it and would normally not show her body off. It would be seriously taboo in Tunisia to do something like this. The accounts on TripAdvisor are generally not that interesting with the occasional exception. As far as the enf stories are concerned, I have no doubt there are many more waiting to be shared