<http://schema.org/description>
"The following video takes you on a drone helicopter ride through a factory forty football fields in size to unveil the scale and complexity of what GE makes -- from locomotives to jet ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/shareables/2011/10/19/a-drone-helicopter-tour-of-ges-largest-american-factories/>