In this week's Across Africa: Vodun believers in Benin marry traditional faith with contemporary creativity to spread their heritage. Also, the African manatee has come under pressure over the decades from poaching and shrinking habitats, but one Cameroonian biologist has been working to improve the chances of the shy freshwater mammal. Plus, Senegal is moving ahead with plans to put more of its own identity into key streets and has begun changing the name of landmarks named after French colonial figures.