ORLANDO, Fla. – Before you know it, all of Central Florida’s major attractions will be back up and running again after being shuttered for weeks to stop the spread of COVID-19.SeaWorld Orlando, Aquatica and Discovery Cove are expected to open June 11.To help manage the capacity and maintain physical distancing within the parks, officials said all parks will require an advance online reservation.Guests will be asked to visit the reservation pages of park websites where reservations will be required to guarantee entry given anticipated demand.Reservations will be available starting at 10:00 a.m.