Pencil and rubber in hand, Ibrahima Soumare is studying the art of graffiti. In Senegal's Dakar, RBS Akademya is a unique school, one that aims "to educate young people to understand the realities of their time", says graffiti artist and a member of the school's founding collective, Serigne Mansour Fall. The graffiti works often bear political, educational, health or environmental messages.