<http://schema.org/about>
"Preston at Jetson Green and Frida at Inhabitat discuss these lovely looking glass roofing tiles from SolTech Energy in Sweden. It is a solar thermal system, that transfers heat from the air to water that can be used for heating. Frida describes it at"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/solar-technology/do-glass-tile-thermal-solar-roofs-make-sense.html>