<http://schema.org/keywords>
"Milky Way Stars, Milky way, South Dakota, farm, fence, grass, stars, tractor, farming the rift, Art, astrophotography, dakota, dark, milkyway, night, sky"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/24084111/farming-the-rift-by-aaron-j-groen>