How to add multiple images at marquee Tag?

Answer 1

<marquee onMouseOver="this.stop();" onMouseOut="this.start();">
<img src="https://placehold.it/200/100"> &nbsp;
<img src="https://placehold.it/200/100"> &nbsp;
<img src="https://placehold.it/200/100"> &nbsp;
<img src="https://placehold.it/200/100"> &nbsp;
<img src="https://placehold.it/200/100"> &nbsp;
</marquee>

Answer 2

what is &nbsp stand for??