<http://schema.org/keywords>
"BLEACHERS, STADIUM, COURT, stadium project, court, field, feld, Stadion-Projekt, projet de stade, projeto do est\u00E1dio"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/stadium--bleachers--and-changing-room_52465>