I really do find pictures of babes with their boobies out in a high-rise aparment with their curtains open very arousing. They are basically playing the odds. They are getting a great sexual buzz out of having their primaries sort of exposed so there is the chance that men might see them and become aroused, but at the same time the chances of any guys actually spotting at them is very low. Although that does look like a business block across the way so there could well be a few men who have spotted her with her titties out.
For sure . . .