<http://schema.org/about>
"Want to create a composter without shelling out serious bucks?  Here's how the  Audubon Wildlife Sanctuary of Massachusetts did it using reclaimed wood"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/remodeling-design/photos/how-to-build-a-compost-bin-from-reclaimed-wood/add-sliding-doors>