Cairo, Egypt, in its history[?] has had a significant number of fortified gates protecting both inner and outer city. Apart from the purpose of defense they were also used for differentiation of the varied social and economic classes. Often the gates were heavily decorated as artistic pieces.
... Some even threw "petting parties" where sex was the main attraction. In short, they acted as if they might die at any moment, or worse still, get old.
In addition ...