Where was Undertow filmed?
2009 film directed by Javier Fuentes-León
Undertow (2009) was filmed in Cabo Blanco, 1 place named in its Wikipedia article, in Peru. 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 article
The Wikipedia article names 1 place. Each links to the sentence that says so.
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