[Photo] "Mona Vanna" : The nude version of the Mona Lisa appears to be suspected of being an authentic work by Da Vinci

For 500 years, Leonardo, the Italian Renaissance master; A surname Vinci's masterpiece "Mona Lisa" has always been known for its mystery, this painting has not only become one of the "town hall three treasures" of the Louvre in France, Mona Lisa's mysterious smile has also caused endless speculation and research. What is less well known, however, is that it is reported that According to Finch researchers, Da. Vinci painted several versions of the Mona Lisa during his lifetime, including a nude version.