In this picture taken on May 9, 2012 Supporters of Mauritanian political oppositionists take part in a demonstration march against the country’s President Mohamed Ould Abdel Aziz in Nouakchott. Thousands of young Mauritanian opposition protestors took to the streets of Nouakchott to demand that President Mohamed Ould Abdel Aziz, a former coup leader, step down. AFP PHOTO / Mohamed Ould Elhadj