<http://schema.org/thumbnailUrl>
<https://media-cdn.holidaycheck.com/w_310,h_280,c_fill,q_80/ugc/images/c979d551-bde7-32fa-bcf9-aa856dc90e9b>
<https://www.holidaycheck.de/hm/bilder-videos-hotel-neptun/b04d541a-099a-3693-b48d-f8f91273e5ee/-/m/picture>