Prisoners released by the Malian government before peace talks walk at the military airfield before being transported to the north of the country, in Bamako July 15, 2014. Peace talks between Mali government officials and Tuareg rebels, who are seeking greater autonomy for the north and were not targeted by the French intervention, are due to open in Algeria on Wednesday. REUTERS/Adama Diarra (MALI - Tags: POLITICS CIVIL UNREST)