Display multiple images in a rich gallery.

<figure class="wp-block-gallery has-nested-images columns-default is-cropped">
<figure class="wp-block-image size-large"><img src="{src}" alt="{alt derived from media library, not synced}" class="wp-image-620"/></figure>

<figure class="wp-block-image size-large"><img src="{src}" alt="" class="wp-image-614"/></figure>

<figure class="wp-block-image size-large"><img src="{src}" alt="" class="wp-image-566"/><figcaption class="wp-element-caption">Image with Caption</figcaption></figure

<figure class="wp-block-image size-large"><img src="{src}" alt="" class="wp-image-744"/></figure>
</figure>