An intimate black-and-white photograph of Princess Diana had likely never been public before . The image was taken in the early hours of July 13, 1997, at a private residence on Park Lane in London. Behind her is a young man resting his book on her shoulder .
An intimate black-and-white photograph of Princess Diana had likely never been public before . `` Not to be published '' is written across the photo . Behind her is a young man resting his book on her shoulder .