<http://schema.org/keywords>
"Bristol, England, Odbury Court, Oldbbury Court, Snuff Mill, Winter, big stopper, lee big stopper, lee filters, slow shutter, snow, trees, water cascade, waterfall, woods, UK"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/23679287/winter-wonderland-b-w-by-owen-wong>