Top 9 Incredible Homes Built Into Cliffs 

1. Alpine Shelter Skuta by OFIS Architects 

2. Bivacco Brédy by BCW Collective 

3. Patio House by OOAK

4. PR House by Triangular Arquitectos

5. Lakehouse by Collective Project

6. Casa MF by Alarciaferrer Arquitectos

7. Concrete House by Marià Castelló and José Antonio Molin

 8. Cliff Retreat by Alex Hogrefe

 9. Cliff House by Modscape

The Moon has been moving away from Earth for 150 million years..