Florence tomb opened in quest to find 'Mona Lisa'

Scientists in the Italian city of Florence have opened a tomb to extract DNA they hope will identify the model for Leonardo da Vinci's Mona Lisa. The tomb contains the family of Lisa Gherardini, the wife of a silk merchant, who is believed to have sat for the artist. via Pocket http://www.bbc.co.uk/news/world-europe-23644448