<http://schema.org/keywords>
"people, woman, man, human figures, Leute, Frau, Mann, menschliche Figuren, gens, femme, homme, des figures humaines, pessoas, mulher, homem, figuras humanas"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/person-in-plant_1893>