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What Makes Art Valuable
The world's most expensive paintings
What makes a piece of art worth tens of millions dollars at auction? A number of things, but not always the things you'd think. BBC's The World's Most Expensive Paintings chronicles the world's ten most valuable paintings, by way of journalist Alastair Sooke's guided tour of the collectors, locales, and Christie's and Sotheby's auction houses that link these great pieces of art together.
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