Busan Opera house - competition 2011 OODA Architecture Team designed this fascinating piece of amazing architecture for international competition in 2011. We could describe this proposal for Busan's new opera house in many words, but ordinary is not one of them. Busan Opera house - competition 2011 OODA Architecture Team designed this fascinating piece of amazing architecture for international competition in 2011. We could describe this proposal for Busan's new opera house in many words, but ordinary is not one of them.