Stop the Traffik: so you think you will dance?
Every year thousands of women are promised a dance career in Western Europe, instead they are tricked, forced and exploited in the sex industry.
This stunt in Amsterdam's Red Light District was created by Dutch advertising firm Duval Guillaume for anti trafficking group, Stop the Traffik.
Watch the video and see how the onlooking men's faces change at the end. You can find out more about Stop the Traffik here.