Katya, a Bulgarian sex worker, reclining on the bed in her rented stall in Amsterdam's red light district, The Netherlands. Although prostitution is legal and famously out in the open. with sex workers displaying themselves to all passersby in booth windows, in The Netherlands, there is a strong Eastern European male presence carefully regulating the movements of female sex workers in the alleyways of Amsterdam's red light district. Katya said that she has been working in Amsterdam for about one year.