Abu Dhabi, Shanghai also among locations planning impressive amusements
                                
                                
                                    (Newser) -
                                    The big US amusement companies—Six Flags, Universal, SeaWorld, Warner Bros., MGM—have all seen the future, and it's in Dubai. That's where the world's largest playland—a sprawling $64-billion collection of theme parks, golf courses, museums and hotels—is going up, but it's only the most dramatic of projects...