Cambridge researchers want to build cities using bone and eggs

Сonstruction site. Building with crane on the sky background One more you can find here http://www.istockphoto.com/photo/building-construction-with-crane-gm492807158-76531569?st=535d8ea

Scientists at Cambridge University are working to create a building material made of artificial bone and eggshell. 

Bioengineer Dr Michelle Oyen of Cambridge's Department of Engineering is working with a team of researchers to create a building material composed of artificial bone and eggshell to replace concrete and steel.