<http://schema.org/description>
"PICNIC is one of the highlights of the technology events calendar in Amsterdam. Now in its sixth year, it brings together people from a diverse range of backgrounds to explore themes ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/events/2011/09/08/discover-the-city-of-the-future-at-picnic-ticket-discount/>