“
Unlike in Tunis, prostitutes can be found in all middle-class districts of Cairo, but especially those that are home to the Egyptian elite and holidaying Gulf Arabs, and I know from my years of living in Egypt that they are given to wearing the niqab (a garment covering the whole face with two eyeholes and severely discouraged in Tunisia).
”
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John R. Bradley (Behind the Veil of Vice: The Business and Culture of Sex in the Middle East)