Barcelona’s Gadea Films, co-producer of Laura Herrero Garvin’s Mexico City-set documentary “La Mami,” a hit at IDFA, is reaching across the Atlantic once more, linking to Colombia’s Rara Colectivo Audiovisual on the production of Cordelia Alegre’s “La Unión.” Put through this year’s Screen-Incubator at the Madrid Film School (ECAM), “La Unión” marks yet another feature […]