Display multiple images in a rich gallery.
Use the Gallery block to display multiple image.
Screenshot
Please set featured imageExample
core.wp-a2z.org 
wp-a2z.org 
WordPress Blocks Reference – blocks.wp-a2z.org
Notes
- Default Columns are 3.
- Toggle the Crop Image setting to crop thumbnails to align.
- Select to Link To: None, Attachment Page, Media File.
