A member of the #BringBackOurGirls campaign group holds a placard under a bridge on the 140th day of the abduction of 219 schoolgirls from Government Secondary School in Chibok, Borno State, while they were sitting for their final exams, during a protest in Abuja September 1, 2014. Picture taken September 1, 2014. REUTERS/Afolabi Sotunde (NIGERIA - Tags: CIVIL UNREST POLITICS EDUCATION)