LOCARNO – Enriched by projects such as Marcela Said’s “Los Perros,” Gonzalo Tobal’s “Dolores” and Paula Markovitch’s “Lead Actor,” the 6th Puentes Europe-Latin America Co-production Workshop, which holds its final session at this week’s Locarno Fest, also bears testament to production trends driving much of Latin America’s movie production. Unspooling Aug.