<http://schema.org/keywords>
"beach, waves, rocks, mar, rocas, playa, salsa, coru\u00C3\u00B1a, arteixo, galicia, seascape"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/12164531/rocaje-vivo-by-mart%25C3%25ADn-prieto->