<http://schema.org/image>
<https://drscdn.500px.org/photo/9288987/w%3D600_s%3D1/ccc75c77f50f6ca0c045a82b5ae171fe>
<https://marketplace.500px.com/photos/9288987/harlem-sunday-morning-6-by-vit-vitali-vinduphoto>