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.
... is $68,125, and the median income for a family is $71,726. Males have a median income of $51,332 versus $32,188 for females. The per capita income for the town is $25,466. ...