<http://schema.org/description>
"check out the whole set: &lt;a href=\"http://www.500px.com/max-z/sets/blurred_world\"&gt;blurred world&lt;/a&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/8329871/citygirl-by-max-ziegler>