“Las Calles Hablan is a feature length documentary film about street art in Barcelona. Until now there hasn’t been a definitive film made in Barcelona which explores the history, motivation, politics and the numerous characters involved in the street art scene. The story follows the real life experience of Katrine Knauer as she develops her interest in Barcelona urban art through her photoblogging website called Mapping Barcelona Public Art and an 2012 street art exhibition featuring some of her d...