TOPSHOT - Nigerian soldiers ride in a truck during a patrol of Aba, a city in southern eastern Nigeria and a stronghold for pro-biafran separatists, during a military patrol on February 15, 2019, one day ahead Nigerian elections. - Nigeria's presidential election on February, 16, may feature more than 70 candidates but it is ultimately expected to be a head-to-head between just two men, Muhammadu Buhari (All Progressives Congress) and Atiku Abubakar (Peoples Democratic Party). (Photo by CRISTINA ALDEHUELA / AFP)