Baldasare Forestiere created an underground dwelling that included a network of 100 niches, courts, patios, and passageways, including plantings of trees such as Strawberry, Carob, Jujube, citrus (sometimes multiple graftings on single trunks), Pomegranate, Mulberry, Date Palm, Avocado, Quince, and Persimmon.
Oh yeah, he did it in 40 years with hand tools and a hose.
Via www.plep.org.
Jon Iverson sends along this link to photos.
