2. 20 percent of clergy regularly enjoyed a church brothel visit.

3. But prostitutes weren't just getting lucky with the clergy. They were also used as models for painting angels and saints in religious art. Providing a valuable service that guaranteed a sizable profit, even the Catholic church couldn't deny the value of sex for sale.

The sex business wasn't always so controversial. In ancient Rome, prostitution was legal. Though paying for sex was common, the story behind Theodora, one of Constantinople's most famous prostitutes, is anything but ordinary.

In the early Middle Ages, Rome was in decline and with no longer the place that all the roads led to. The place was to be with Constantinople, the new seat of the Eastern Rome Empire, otherwise konwn as the Byzantium Empire.

-It was the crossroads of the world, and you could get any sort of fabrics and spices and drugs and anything that your heart desired.

One thing that was always for selling in Constantinople was sex.