<http://schema.org/keywords>
"paisaje, calinas, nieblas, atardecer, horizontes, perfiles, ocres, verano, viajes, landscape, teries, fog, dusk, horizons, profiles, ocher, summer, travel."^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/6829139/atardecer-ardiente-by-juan-ballesteros-l%25C3%25B3pez>