<http://schema.org/thumbnailUrl>
<https://media-cdn.holidaycheck.com/w_310,h_280,c_fill,q_80/ugc/images/10d42be9-dd59-3355-9328-56f7b51b6833>
<https://www.holidaycheck.de/hm/bilder-videos-hotel-side-sun/b2f86fc9-ac78-36c4-a146-d9f08fb74806/-/m/picture>