<http://schema.org/keywords>
"park, recreation park, Freizeitpark, parc, parc de loisirs, parque, parque de recrea\u00E7\u00E3o"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/park-and-plaza,-pergolas-and-recreational-equipment_41051>