Brittany Mercer performs on her giant wheel as she prepares for her graduation performance from the National Institute of Circus Arts (NICA), in Melbourne September 16, 2008. Since the start of NICA's Bachelor of Circus Arts, graduates have gone on to work for Circus Oz, Cirque du Soleil, Tokyo Disney, Cavalia, Circa, Spiegeltent, La Clique and Silvers Circus. [Agencies]