When it comes to sexual attraction, no part of the body is excluded. To most straight males (and gay women I guess) feminine shapes are usually atttactive, that can include boobs, hips, noses, hair, ankles. Are female ankles different from male ankles? Difficilt to tell, but a feminine ankle will be probably attractive to someone attracted to women.
The whole cultural thing is absolutelt present, but not in the fundamental attraction for female (or male) appearance
In any reasonable country, that should be illegal. In many places it is