Here’s a carousel with slides only. Note the presence of the .d-block and .w-100 on carousel images to prevent browser default image alignment.

Adding in the previous and next controls:

You can also add the indicators to the carousel, alongside the controls, too.

Add captions to your slides easily with the .carousel-caption element within any .carousel-item.

Add .carousel-fade to your carousel to animate slides with a fade transition instead of a slide.