There's always something slightly sinister and ghostly about X-ray images, showing the white bones and dark shadows within us.
But this set of animal X-rays from the Oregon Zoo in Portland are taking ghostly to a new level.
Image: https://twitter.com/OregonZoo/status/1052596867962298368?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1052596867962298368&ref_url=https%3A%2F%2Fmashable.com%2Farticle%2Fzoo-animals-xray-images%2F
