<http://schema.org/keywords>
"Bowland, British Wagtail, Motacilla alba, United Kingdom, White Wagtail, adult, avian, bird, breeding, nature, perching, songbird, spring, yarellii ssp."^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/27934305/white-wagtail-motacilla-alba-yarellii-by-gyorgy-szimuly>