“Design on the stone wing concept is being revived after a brief hiatus. My underground home project is growing to include a sunroom / atrium entryway that will give more exposure for PAHS efficiency, and the overall layout has changed drastically to accommodate a larger common area. Check out the attached rough sketch – more to come!”
More drawings at the source: Underground Home Directory
This house would look good with desert concrete: https://naturalbuildingblog.siterubix.com/desert-concrete/