I absolutely love this. Reminds me of an adobe bubble house I saw in an article many years ago. Richard Olsen's Book Handmade Houses Showcases Beautiful and Unusual Homes : Architectural Digest. Probably for my future little house in Europe.
Earthen Architecture: 15 of the World's Dirtiest Buildings
What is a COB? Cob is a structural composite of earth, clay, straw, sand and water that is hand-sculpted into wall decorations. shelters or houses. With cob you can also create beautiful wall-sculptures, to achieve various interior design.