OP, thank you for sharing this. I just experimented a little. Since there was no results on my city, I tried Zagreb. I never went out clubbing to Zagreb (logistical reasons) so I thought it could check out some hypothesis of mine about male female rations in Croatian clubs and compare it to my local ones. I was right, it is probably at least 70% males on pictures. Not really ideal, but I know now what clubs to check out, I mean those that have lower male female ratios.
Anyway, +1 from me.
Anyway, +1 from me.