G2 Global model Earthship Taos N.M. by Mueller Felix. Source: https://en.wikipedia.org/wiki/Earthship#mediaviewer/File:G2_Global_model_Earthship_Taos_N.M..JPG
Brighton Earthship. Photo by Dominic Alves.
Earthship. Source: www.buildingtomorrow.dk
Cob Building. Source: http://greenstone-design.co.uk/
Cob Building. Source: Goatlings.co.uk
Photo by James Horecka. https://www.flickr.com/photos/18794861@N00/sets/72157621946948481/
Source: http://www.bottlehouses.com/
Casa de Botellas. Photo by Alfredo Santa Cruz. Source: http://www.planet-mag.com/2010/architecture/carly-miller/la-casa-de-botellas/
I-Beam “Ikea style” Pallet House. Source: http://www.tealcheese.com/2014/08/16/diy-saturday-6-i-beam-ikea-style-pallet-house/