<http://schema.org/about>
"Renters in the British capital are clamoring to live in empty office buildings where, in exchange for a low monthly rent, they serve as squatter deterrents."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/at-home/blogs/in-exchange-for-low-rent-londons-guardians-keep-squatters-at-bay>