Where was The Return of the Musketeers, or The Treasures of Cardinal Mazarin filmed?

2009 film by George Jungvald-Khilkevitch

The Return of the Musketeers, or The Treasures of Cardinal Mazarin (2009) was filmed in Moscow and Saint Petersburg, 2 places named in its Wikipedia article's Production section, in Russia. 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.

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