Two French journalists from the television network France 3 are being held hostages in Afghanistan. They have been in custody for 6 months now (since December 29, 2009), so Reporters without Borders decided to draw the attention of everyone by installing a huge paperboard on the Luxembourg Gardens and by inviting passers by to sign. This guy was one of them… Have a look at a broader view here and visit the site that supports them (in French).