<http://schema.org/about>
"Unpackaged, the London 'refill' store, didn't last economically, yet a group of determined Berliner are trying to crowdfund a similar supermarket."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/berliners-create-supermarket-no-packaging.html>