Sex Worker Freedom Festival

Fri Jul 27, 2012 4:45pm IST

1 of 6. Sex workers cover their faces as they react to the camera while watching a rally as part of the week-long sex workers' freedom festival at the Sonagachi red-light area in Kolkata July 24, 2012.

Credit: Reuters/Rupak De Chowdhuri

Sex workers from around the world are staging a conference in Kolkata to demand an end to discrimination.