Aid groups say booming economy has fueled demand for prostitutes in Moscow . The number of sex workers is estimated at more than a million and the industry employs about half that many people as it did before the Soviet Union collapsed in 1991.
Aid groups say booming economy has fueled demand for prostitutes in Moscow . Nigerian woman forced into prostitution says her uncle lured her to Moscow . `` He made me know that if I do n't cooperate ... it would end in taking my life '' Russian police admit human trafficking for sexual exploitation is a major problem .