<http://schema.org/image>
<https://drscdn.500px.org/photo/3228345/w%3D600_s%3D1/2bb39bb2b36ca6f2db9c04f6fe15d39f>
<https://marketplace.500px.com/photos/3228345/this-cowboy-was-working-it-by-gino-barasa>