<http://schema.org/keywords>
"sky, mountain, alps, dolomites, alpen, dolomiten, s\u00C3\u00BCdtirol, alm, seiser alm, seis, kastelruth, berge gebirge"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/6582199/seiser-alm-by-philipp-franceschini>