<http://schema.org/keywords>
"Austria, K\u00C3\u00A4rnten, landscape, travel, window, Karnten, austria, karnten"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/24577101/k%25C3%25A4rnten-by-edmund-orzsik>