<http://schema.org/image>
<https://drscdn.500px.org/photo/23375271/w%3D600_s%3D1/45fe3fad021e0e1c2d5a4aa870f39f30>
<https://marketplace.500px.com/photos/23375271/one-rainy-day-in-london-iii-by-roland-shainidze>