Walipini, la ingeniosa manera de cultivar vegetales en un clima extremo y a 4.000m de altura en Bolivia

BBC News Mundo video documentary/report from Oruro department, Bolivia, on underground walipini gardens enabling vegetable production above 4,000 m amid extreme Altiplano climate. Exact title on BBC Mundo media page; datePublished 2018-06-15. Page: few plants survive Altiplano open-field extremes above 4,000 m (radiation, drought, daily heat/frost). Bolivian producers built subterranean gardens called Walipinis to defy those elements. Reporter Inma Gil Rosendo traveled to a remote Oruro site to show how a simple underground greenhouse changed a family's diet.

Evidence tier: video. Video documentary/news segment—not peer-reviewed research.

video|candidate