It has been created from high quality scans of human embryos at early stages of development, provided by universities and hospitals. The video (above) of a growing human face shows how this process happens.

Your face is formed in the womb in the first couple of months of life, from when you were the size of a grain of rice to when you were the size of a kidney bean. Instead it is an accident of our origins, a clue to our fishy past and how our faces first formed. You see it every day in the mirror so you probably never think about it The philtrum is the groove on your top lip that lies just beneath your nose. Although no two faces are exactly the same, they share a number of common characteristics a couple of eyes, a nose, a mouth and a philtrum. Your face is your most expressive feature it tells the world what you are feeling, who you are and where you come from. It may seem strange that humans have evolved from fish, but the evidence can be found not just in fossils but also within our own bodies.

What is the purposes of the philtrum