that is when the men are not looking at the women dance; but since there is no mechitza, there will be more “interesting” views.
and of course there is no need to enumerate the terrible sinning that takes place when men and women, especially the young, hook up and continue the relationship inappropriately. thats why we have the separations that are so necessary; we see what goes on in the secular world – and is unfortunately penetrating within our communities, with the obvious disastrous results.