In the 60,000 years image, we’re starting to see some major changes. Heads are even larger, but the eyes have grown too. Lamm speculates that this would be a result of human colonization of the solar system, with people living farther away from the sun where there is less light. Skin pigmentation would change and our eyelids would become thicker to offer more protection against UV rays for those living outside of the Earth’s protective ozone layer.