Carousel galleries allow you to display multiple images in a compact, swipeable format within a media block, which makes it easier to showcase visual content without taking up extra space.
To add an image gallery to a media block:
In the Learn management portal, click in the upper-left corner.
Go to Authoring > Content libraries.
Click Media Block.
Double-click the required media block to open it.
Click Go to editor.
Click + on the left to open the menu and click Gallery.
Click Select images and select local images that you want to add to the gallery.