An Italian IT expert claims to have found a secret image of the Virgin Mary and a Knight Templar inside Leonardo da Vinci’s masterpiece The Last Supper.Pesci Slavisa said the image can only be seen in a certain light and that he had to use his computer skills to reveal it.“I noticed a strange effect, like a shadow, when I was looking through a magazine with a reproduction of The Last Supper,†the 36-year-old explained.“So I scanned the painting and printed it onto a transparent sheet, which I then laid over the original image.“The result is a new painting with...