Where was The Great Game filmed?

2010 third episode of BBC's Sherlock directed by Paul McGuigan

The Great Game (2010) was filmed in London, Cardiff, River Thames, Cardiff University and Gower Street, 5 places named in its Wikipedia article, 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.

See them on the map → Wikipedia Source data