First ladies of Democratic Republic of Congo Denise Nyakeru Tshisekedi (L), Aminata Keita of Mali (C) and Fatoumata Ba Barrow of Gambia (R) attend a meeting at the palais des Congres in Niamey, on July 6, 2019, on the sideline of the African Union summit. - The first ladies of Africa launched Saturday in Niamey on the sidelines of the summit of the African Union a call for a better fight against cancer, asking for an increase in taxes on "carcinogenic products" such as tobacco and alcohol. (Photo by ISSOUF SANOGO / AFP)