White Walls Say Nothing is a feature-length documentary about art and activism in the streets of Buenos Aires. Buenos Aires is a complex, chaotic city. It has European style and a Latin American heart. It has oscillated between dictatorship and democracy for over a century, and its citizens have barely known political or economic stability. Throughout Buenos Aires' turbulent history, successive generations of activists and artists have taken to the streets to express themselves, through words and through art. This has given the walls a powerful and symbolic role. They have become the city's voice. This powerful tradition of expression in public space; of art and activism, has made the streets of Buenos Aires into a riot of colour and communication. Stylised painted propaganda vies for attention with advertising billboards. Sprayed messages declare love for football teams, people and political ideals. Graffiti writers have tagged every wall and shutter, and in recent years street art ...