BREGENZ, AUSTRIA – JULY 15: A giant head as part of the stage design is seen during the rehearsal of the opera ‘Andre Chenier’ of Italian composer Umberto Giordano at Seebuehne on July 15, 2011 in Bregenz, Austria. The premiere of the opera on the lake as part of the Bregenz summer festival will take place on July 20, 2011.