![Portrait of Leonardo da Vinci attributed to Francesco Melzi](https://cmsadmin.rct.uk/sites/default/files/lead_image_half_height/RC1894_Leonardo%201600%20x%20625_Yellow.jpg)
New light on Leonardo
New techniques allow us to get closer to Leonardo's working methods. Viewing some of Leonardo's works under ultra-violet light can reveal details that have been lost for centuries, as seen in this clip from Episode II of the recent BBC series Art, Passion & Power.