Minerita

Minerita is a 2013 Spanish short-documentary film about three women working the Potosi mines in Bolivia. The documentary was well received by critics and earned widespread critical acclaim. "Minerita" was shortlisted with nine other documentaries from 74 entries submitted to the 88th Academy Awards in the Documentary Short Subject category, but was not nominated as a finalist.
Plot.
"Minerita" is the story of three women—Lucía (40), Ivone (16) and Abigail (17), who work as night watch women in the Cerro Rico mining district in Potosi, Bolivia.