You can add what ever you need to Google Map. Those images are in the map, not in the soil. but some are real.
There are lots of new features with latest version.
Some companies trying to add some of their biz names and images to get more business and get attention from the people around the world.
Even you can walk in your road and see the side view of the houses.
Unfortunately there are some restrictions in Sri Lanka. I sent lots of requests to Google to make some clear maps in most populated areas in Sri Lanka and they have changed lots.
Google going to add lots of new features time to time.