Take a closer look at the Vitruvian Manoeuver
Leonardo DaVinci's most famous work, The Mona Lisa, is a masterpiece of invention, but did you know it was also a masterpiece of misdirection? He used an anamorphic technique to create an illusion of depth, making it seem like the subject's smile is following you around the room.
Discover the secrets behind his use of Selfie Sticks in his art