<http://schema.org/image>
<https://drscdn.500px.org/photo/19286449/w%3D600_s%3D1/d5af1881c72c48f2dbf4e902f422d03c>
<https://marketplace.500px.com/photos/19286449/elgol-rocks-isle-of-skye-scotland-by-barbara-jones>