At Chile's Nacional Estadio as many as 40,000 men and women suffered at the hands of a cruel dictatorship. On this week's World Football, hear about the dark past of the venue for this year's Copa America final.

The stadium was was used as a prison camp during the early days of the Pinochet regime. The dressing rooms were used to hold political prisoners and unspeakable acts of torture took place. Former prisoners and family members of the disappeared give their shocking stories.

Also, the latest from the Women's World Cup in Canada and a South American commentary masterclass.

(Photo: Estadio Nacional as a concentration camp. Credit: Koen Wessing)