The opera concerns some aspects of the real-life assassination of Gustav III, King of Sweden. Its libretto was used as the original basis for Giuseppe Verdi's later Un ballo in maschera, though Italian censorship forced numerous changes to that version.Set design credit: Pierre-Luc-Charles Cicéri; restored by Adam Cuerden
The Kuroshio Sea, the main tank of the Okinawa Churaumi Aquarium. Today is World Oceans Day.