TOPSHOT - A girl selling food waits for costumers in front of electoral posters in the Nigerian city of Mubi, Adamawa State, on February 15, 2019, on the eve of the country's presidential election. - Nigeria made final preparations on the eve of the presidential election, with candidates pitting continuity against reform in a battle between incumbent Muhammadu Buhari and his main rival Atiku Abubakar. (Photo by Luis TATO / AFP)