Google is testing adding an image carousel directly in the business profile panel. So at the top of a business profile listing you see these business images. In this test, you can swipe the images to see more.
This was spotted by Mike who posted a few photos of it in the Local Search Forum. I took those images and made it into a GIF so you can see what it looks like in action:
Mike wrote, "As of this morning I noticed the ability to side scroll the top image/videos in the listings on mobile. Like a carousel."
Yep, it does look like that.
Forum discussion at Local Search Forum.
Note: This was pre-written and scheduled to be posted today, I am currently offline for Shavout.