Explore Leonardo da Vinci's most famous works like the Mona ... He pricked the outlines and rubbed with a pouncing bag while the panel was underneath. A technique we call spolvero.

Next, they use a pouncing bag to transfer powder onto the panel ... And Leonardo gives us both. Leonardo da Vinci was one of humankind's most curious minds. Explore a timeline of his life ...

I have come to Windsor Castle to see the queen’s collection of Leonardo da Vinci drawings. Outside the towering stone walls, tourists snap selfies and rummage through souvenir tea towels.

On the north wall is The Last Supper, the unrivalled masterpiece painted between 1495 and 1497 by Leonardo da Vinci, whose work was to herald a new era in the history of art. Description is available ...