<http://schema.org/keywords>
"le 6b, 6B, neige, m\u00C3\u00A9t\u00C3\u00A9o des neige, la neige"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/20664717/bad-bad-bad-by-markko-jarron>