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Margolyes explores Catherine the Great

15 August 2012 Last updated at 17:05 BST

Catherine the Great was one of Russia's most successful rulers and one of the greatest art collectors of all time.

Presented in partnership with the State Hermitage Museum in St Petersburg, a unique exhibition is showing in Edinburgh at the National Museum of Scotland.

Alastair Sooke joins actress Miriam Margolyes to explore the world of Catherine the Great.

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