Protesters hold signs reading, "Prostitutes are angry. Don't touch our clients," during a protest Wednesday in Paris against legislation combating prostitution and sex trafficking. Thibault Camus/AP hide caption

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The Daulatdia brothel is the largest in Bangladesh, with more 2,000 prostitutes. Many arrived here after being kidnapped by gangs, sold by family members or lured with promises of good jobs. Lisa Wiltse/Corbis hide caption

toggle caption Lisa Wiltse/Corbis