Matteo Cainer Architects – Busan Camellian Opera House November 27th, 2011 Architecture Athens, Busan, Busan Camellian Opera House, Matteo Cainer Architects, Designed by Matteo Cainer Architects, the Busan Camellian Opera House provides a harmonious connection between the existing dense urban fabric of the city and the port with its myriad of waterfront activities.