<https://www.ma9boul.com/2018/01/Watch-YouTube-videos-in-a-smart-and-innovative-way.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ma9boul.com/2018/01/Watch-YouTube-videos-in-a-smart-and-innovative-way.html>