In this June 1, 2016 file photo, visitors crowd in front of Leonardo da Vinci's "Mona Lisa" at the Louvre.sd French government art experts are trying to find out, analyzing a charcoal sketch of a ...

PARIS -- There's something vaguely familiar about this charcoal sketch of a woman's face and nude torso — could it be an unclothed precursor to the Mona Lisa? French government art experts are ...

A French art expert believes a charcoal drawing kept in a collection for more than 150 years may be a preparatory sketch made by Leonardo da Vinci of the Mona Lisa.

Every masterpiece begins with a single stroke,and behind each line lies a story of emotion, dedication, and imagination. In ...

A French art expert believes a charcoal drawing kept in a collection for more than 150 years may be a preparatory sketch made by Leonardo da Vinci of the Mona Lisa. The black-and-white drawing of ...