National Geographic Documentary recently revealed "extraordinary photos of fetal animals", with 'shocking' images of embryos of dolphins, sharks, dogs, penguins, cats, elephants .
Peter Chinn, author of the photo series, combined three-dimensional ultrasound scanning technology, computer graphics and micro cameras to capture the stages from the fetus to the birth of animals. These are the most detailed images of animal embryos ever.
Here is a part of the photo:
Dolphin.
Baby elephant
Penguin
Puppy.
Shark.
Source: Thisblogrules