The city of Rome recently decided to clean the Fontana del Tritone that was sculpted by Bernini. It was a really big job and I think the outcome is amazing. Look at how clean it is now! It's almost unnaturally clean. There is no more greenish water or darkened marble.
The difference between the two fountains is drastic and I was so happy that the project was finished before I have to go.
The little bees by the fish are the symbols of the Barberini family (the patrons of the fountain). I went to the Barberini family palace in September where there were also many bees around the facade. You can read about that trip HERE.
(pre-cleaning fountain picture: http://farm3.staticflickr.com/2533/4174025157_627d6255fc_o.jpg)