<http://schema.org/keywords>
"pelican, bird, avian, sunset, orange, dusk, destin, florida, gulf coast, choctawhatchee, wing, red, silhouette"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/4200276/avian-eclipse-by-michael-fitzsimmons>