Photographers at a book fair in Frankfurt, Germany, take pictures of books by Chinese author Mo Yan, who on Thursday won 2012 Nobel Prize in Literature Prize winner.

People take in a preview of "Roy Lichtenstein: A Retrospective" at the National Gallery of Art in Washington, D.C. The exhibition of the U.S. pop artist's work runs Sunday through Jan. 13, 2013.

A restorer at the Opificio delle Pietre Dure in Florence, Italy, works on the unfinished painting "Adorazione dei Magi" by Leonardo Da Vinci.

Now in its 40th year, the National Storytelling Festival expects to attract nearly 10,000 storytellers and attendees from throughout the country and around the world this weekend. The three-day event will include performances by 24 featured storytellers, two ghost story…