<http://schema.org/about>
"It was a glorious idea- build a giant terrarium and see if a self-sustaining microcosm of earth could keep people alive without importing food, water or even air. Constructed in the middle of nowhere in the 80's, the $ 200 million project did not quite"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/i-dont-wanna-live-in-biosphere-estates.html>