http://i.space.com/images/i/000/033/315/i02/cities-hang-shell-terraforming.jpg?1380821705
One day, humans could re-make a world in Earth's image.
Engineering an inhospitable world into a...
Type: Posts; User: Calabash; Keyword(s):
http://i.space.com/images/i/000/033/315/i02/cities-hang-shell-terraforming.jpg?1380821705
One day, humans could re-make a world in Earth's image.
Engineering an inhospitable world into a...