<iframe width="600" height="353" src="https://www.youtube.com/watch?v=b3tpAbxApyE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

That's strange Youtube video embedding used to work. Weird this video works when I copy if from another comment, but not the code itself...

<iframe width="600" height="353" src="https://www.youtube.com/embed/s7L2PVdrb_8" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>