Forbes: Off-the-Grid Mansions
Pensmore, Christian County, MO
Estimated completion: 2014
In the rural Ozark Mountains, a concrete scion is erecting a gigantic 70,000-square-foot mansion that will be energy-efficient, environmentally sustainable and earthquake and tornado resistant. Constructed of concrete and Helix steel fibers, it will have solar panels, geothermal energy and rainwater collection will ensure massive manse can supply the 500-acre estate, despite natural calamity.
(Pensmore)
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