<http://schema.org/keywords>
"alley, autumn, autunno, cold, colors, hot, italia, italy, la mandria, natura, nikkor, nikon, parco, park, path, prospettive, road, sereno, strada, tempo, time, torino, tranquillity, tranquillo, tree, turin, viale"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/22931285/perspectives-autumn-by-gianluca-sgarriglia>