Google loves carousels, they just really love them. Now they are testing the carousel user interface for the local listing user interface for hotel booking. Sergey Alakov, who else, spotted this and posted it on Twitter showing the hotel prices can be swiped right and left to get more options.
Here is a screen shot he shared of the test:
Here is the normal layout without the carousel:
Google simply loves these carousels and I guess people are adopting and understanding how to use them?
Forum discussion at Twitter.