Inspired by my conversation with Harlock in another thread - here you go!
Let's start with:
<iframe width="560" height="315" src="https://www.youtube.com/embed/w0PcY5Ym0TU" frameborder="0" loading="lazy" allowfullscreen></iframe>
And...
<iframe width="560" height="315" src="https://www.youtube.com/embed/BPgAM31N5Co" frameborder="0" loading="lazy" allowfullscreen></iframe>
And, of course, who could forget -
<iframe width="560" height="315" src="https://www.youtube.com/embed/s_MvZxpE7YU" allowscriptaccess="always" allowfullscreen="true" frameborder="0" loading="lazy" allowfullscreen></iframe>