Vinícius LOPES and Luciana Mazeto studied cinema at PUCRS in Porto Alegre, southern Brazil. In 2012 they founded the southern Brazilian production company Pátio Vazio. They were coproducers for the Cine Esquema Novo film festival 2016 in Porto Alegre. Their work in short and feature films is mainly focused on historical and social research, constantly mixing fictional narratives and documentary essays.Pátio Vazio and cinéma copains, the film collective of filmmakers Arne Hector and Minze Tummescheit, first met in 2015. Supporting each other on various art and film projects, they spent many hours together in the darkroom, at the animation table and the copying machines of LaborBerlin, an independent artist-run filmlab in Berlin. Urban solutions, world premiere as part of the Tiger Competition at IFFR 2022, is their first joint film project.