October 30, 2011 Solar-Powered Black Forest Wooden House K is Built Around a Core of Clay Edit Delete Tags Autopost Filed under: Solar Energy News Source: http://inhabitat.com/solar-powered-black-forest-wooden-house-k-is-built-around-a-core-of-clay/KONINKLIJKE KPN LAM RESEARCH LIBERTY GLOBAL LM ERICSSON LOGITECH INTERNATIONAL ELECTRONIC ARTS