<http://schema.org/keywords>
"sail, schiff, ship, veleiro, vessel, Meer, Sailing, Sea, Segelschiff, Brasil, Brazil, Chile, Esmeralda, Rio de Janeiro"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/24109339/esmeralda-chile-by-bert-kohlgraf>