Mati Diop, French-Senegalese actress and director, has become the first black female director to win an award in Cannes Film Festival’s  72-year history. News Agency of Nigeria(NAN) reports that Diop took home the Grand Prix , equivalent of a silver prize, for her film  ‘Atlantics’, a Senegalese drama about sexual politics among young migrants. The Grand Prix award,  bestowed by the …