<http://schema.org/keywords>
"algen, baum, beach, beautiful, charakter, clouds, d\u00C3\u00A4nemark, flensburg, f\u00C3\u00B6rde, gl\u00C3\u00BCcksburg, good, gras, nice, ocean, ozean, sand, sky, sonne, sonnenuntergang, steine, stone, stones, strand, sunset, tree, wald, wasser, water, waves, wellen, wood"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/24257189/without-words-by-matze-katze>