Alsina's Trench [La muralla criolla]
- Release Year
- 2017
- Runtime
- 1h 9m
- Genres
- Documentary
- History
- Directed By
- Sebastián Díaz

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".


