Argentinian director Juan Diego Solanas has won the top prize at the Stockholm International Film Festival. Solanas, 39, beat off competition from 17 other films to take the Bronze Horse trophy for "Nordeste" (Northeast). The film, which stars French actress Carol Bouquet as a wealthy woman who travels to Argentina to adopt a baby, explores the child trafficking trade. The 16th Stockholm Film Festival - which ends on Sunday - has showcased 160 films from nearly 40 countries. BBC reports.