<http://schema.org/keywords>
"countryside, europe, field, italia, italy, leica, pienza, poppies, road, thomas brichta, tom brichta, tuscany, val d orcia"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/22690885/following-the-white-roads-by-tom-brichta>