<http://schema.org/about>
"Several sewing needles were found in sandwiches served on 4 Delta flights from Amsterdam to the U.S. NBC reports on the incidents, which injured at least 1 pass"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/videos/needles-found-in-airplane-sandwiches>