<http://schema.org/about>
"Four hundred previously loved toilets are transformed (ground into porcelain bits and mixed with gravel and asphalt) into a new 'poticrete' sidewalk in Bellingh"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/recycling/blogs/follow-the-poticrete-road-city-sidewalk-made-from-crushed-commodes>