X-ray images Digital X-ray photo of a sunflower (inverted representation). © Julian Köpke X-ray three tulips © Julian Köpke Nautilus shell as a vessel © Julian Köpke Five Dahlias X-ray photo © Julian Köpke Nautilus X-Ray Energy Compressed © Julian Köpke Odyssey © Julian Köpke Nautilus shell 3D Digital X-ray Photo tilted beam © Julian Köpke