[Sydney, June 2. Image via Getty]

Sydney sex workers 'Ivy' (C) and 'Mish' (R) celebrate International Whores Day in Sydney on June 2, 2009. Sex workers angry at the cost of advertising in local papers staged a protest outside the New South Wales parliament. International Whores day, held on the second of June, commemorates the day in 1975 when a group of sex workers staged a sit-in at a church in Lyon, France to protest discrimination against sex workers AFP PHOTO / Greg WOOD (Photo credit should read GREG WOOD/AFP/Getty Images)