A CNN story on Ingrid Bugge's new book, "The Essence of Ballet."
How do you capture the dramatic movement of ballet in a static image? It's a question which has challenged artists for centuries.
Danish photographer Ingrid Bugge uses a mixture of digital technology and Renaissance-inspired painting to bring to life the ethereal world of ballet in her book, "The Essence of Ballet." Now turned into an interactive ibook, readers are given a behind-the-scenes look at how she created the haunting images.