Herve Ghesquiere and Stephane Taponier were seized in 2009 near Kabul and have been held captive for more than 500 days. More on the missing journalists from France24.com.

Christophe Ena / AP
France Culture Minister Frederic Mitterrand, right, stands with employees of France's public television in Paris to support French TV journalists Herve Ghesquiere and Stephane Taponier, held hostage in Afghanistan for 500 days.

Christophe Ena / AP
Employees of France's public television form the number 500 as they gather in Paris on May 13 to support French TV journalists Herve Ghesquiere and Stephane Taponier, held hostage in Afghanistan for 500 days.