<https://www.youtube.com/watch?v=SwvDf_aTj-o>
<http://schema.org/thumbnailUrl>
<https://i.ytimg.com/vi/SwvDf_aTj-o/mqdefault.jpg>
<https://www.pixelrakete.de/headshots-a-la-peter-hurley-mit-guenstigem-setup/>