<http://schema.org/description>
"A photovoltaic paving could be coming to a city sidewalk near you, or perhaps to your backyard patio. This product from Onyx Solar and Butech hopes to be on the market by the end of this year."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/photovoltaic-paving-tiles-coming-soon-a-sidewalk-near-you/>