the present invention is directed to a multi - purpose arena that can be used for sport and non - sport type of events . the size of the arena can be varied to suit the particular type of entertainment present in the arena . the acoustics can also be varied or tuned to maximize the performance in the arena . the seating in the arena is disposed to provide excellent viewing of the entertainment being performed in the arena . and , the arena can accommodate the staging requirements for almost any use that is developed for the arena .