<http://schema.org/thumbnailUrl>
<https://drscdn.500px.org/photo/25721783/w%3D160_h%3D160_s%3D1/78b93a9da97b59704d86b59a60bf60e1>
<https://marketplace.500px.com/photos/25721783/metro-by-%25D0%259F%25D0%25B0%25D0%25B2%25D0%25B5%25D0%25BB-%25D0%25A0%25D1%258B%25D0%25B6%25D0%25B5%25D0%25BD%25D0%25BA%25D0%25BE%25D0%25B2>