Código HTML:
<iframe width="560" height="315" src="http://www.youtube.com/embed/U7Llk3WyBv8?rel=0" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="315" src="http://www.youtube.com/embed/U7Llk3WyBv8?rel=0" frameborder="0" allowfullscreen></iframe>