Arab men make up 19 percent of Israel's male sex workers, according to the Israeli government's first-ever survey on prostitution.
What do Truman Capote, Christopher Isherwood, and Gore Vidal (allegedly) have in common? Denham Fouts, who was once called "the most expensive male prostitute in the world."
Our guide is Karim. A former male prostitute and heroin addict, he has spent 25 of his 40 years living and working on Prague's streets.