<http://schema.org/keywords>
"animales, rio, campo, andaluc\u00C3\u00ADa, puente, pastor, piedra, cabras, editor, ovejas, baena, trashumancia"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/12953151/trashumancia-by-jose-luis-serrano->