Alsina's Trench
Documentary film about the "zanja de Alsina", a long trench dug in the Argentinian Pampa in 1876 as way to separate the "civilized" from the "barbarians" during the massacre of indigenous peoples known as "campaña del desierto".
- Year: 2017
- Country: Argentina
- Genre: Documentary, History
- Studio: Pentafilms Cine
- Keyword: genocide, indigenous peoples, indigenous mapuche malones, trenches and wooden watchtowers, adolfo alsina
- Director: Sebastián Díaz
- Cast: Osvaldo Bayer, Marcelo Valko, Juan José Estévez, Gastón Partarrieu, Eduardo Hiriart, Alberto Orga