You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "where was s4 e3 of black mirror filmed?" whose answer is Iceland.
Each document should contain about 30 words, and these documents should contain useful information.

Query: filming location s4 e3 black mirror
Useful Output:

Doc 1: What We Know About The 2025 Tom Hardy Movie's Filming Locations  The original, of course, opened Season 4, and featured Jesse Plemons as
Doc 2: Locations featured include Beacon House and Tankerton beach in Whitstable as well as Herne Bay Pier. Beacon House is a colonial wooden clapboard, turn-of-
Doc 3:  filmed. This was easily the best looking ep of this run. And yet, I wondered whether that was entirely a good idea. Reykjavik had clearly
Doc 4: That's because the filming took place in the heart of Iceland's breathtaking snow-capped valleys and unspoiled scenery. Article continues below.
Doc 5: Episode 3 used the 11th take featuring the interaction between Jamie and a psychologist (played by Erin Doherty). The fourth and final episode