Where was Post Tenebras Lux filmed?
2012 drama film directed by Carlos Reygadas
Post Tenebras Lux (2012) was filmed in Mount St Mary's College, 1 place named in its Wikipedia article's Production section, in the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's Production section
Wikipedia’s Production section names 1 place. Each links to the sentence that says so.
