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3. The Secret Life of the Mona Lisa

She has her own bodyguards and lives in Paris in a humidified, air-conditioned box protected by triplex bullet proof glass. Despite this she is visited by six million tourists every year. She is Leonardo da Vinci's Mona Lisa. Alan Yentob tells the story of how the Mona Lisa came to be the most famous work of art in the world. It's a tale full of notoriety, glamour and intrigue as the Mona Lisa is abducted, vandalised and exploited across the centuries. \n\nWith the help of leading scholars and original research Alan also finally solves the central mystery of the Mona Lisa - who she is and why she's smiling.

Source: BBC 4