<http://schema.org/image>
<https://drscdn.500px.org/photo/17765889/w%3D600_s%3D1/1178d6f8d56349593ec27f403c9ead77>
<https://marketplace.500px.com/photos/17765889/lightning-striking-man-standing-in-wheat-field-holding-an-umbrella-by-robert-lang>