O by Cirque du SoleilO is not just the name of the show, it also happens to be the sound youll make for the entire 90 minutes of this ethereal production. This aquatic themed Cirque du Soleil show immerses audiences into a dream world of acrobats, synchronized swimmers, divers and other marine characters in, on and above a 1. 5 million gallon pool. Considering the dimensions of this unique performance area, it is easy to feel as though youre in an alternate universe. Many